diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
index c419f521048f..f17eb83d68d0 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertFormatOperatorToMethodIntention.java
@@ -202,6 +202,10 @@ public class ConvertFormatOperatorToMethodIntention extends BaseIntentionAction
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyBinaryExpression binaryExpression  =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyBinaryExpression.class, false);
     if (binaryExpression == null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertVariadicParamIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertVariadicParamIntention.java
index 5a635aa57fef..436bdaf46c34 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ConvertVariadicParamIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ConvertVariadicParamIntention.java
@@ -44,6 +44,10 @@ public class ConvertVariadicParamIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyFunction function =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyFunction.class);
     if (function != null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ImportFromToImportIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ImportFromToImportIntention.java
index bb881905c74b..509513ff32cc 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ImportFromToImportIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ImportFromToImportIntention.java
@@ -128,6 +128,10 @@ public class ImportFromToImportIntention implements IntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     InfoHolder info = InfoHolder.collect(getElementFromEditor(editor, file));
     info.myModuleReference = null;
     final PsiElement position = file.findElementAt(editor.getCaretModel().getOffset());
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ImportToImportFromIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ImportToImportFromIntention.java
index 7a7767b6d8b8..ffaabaa1fd2f 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ImportToImportFromIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ImportToImportFromIntention.java
@@ -214,6 +214,10 @@ public class ImportToImportFromIntention implements IntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     IntentionState state = new IntentionState(editor, file);
     if (state.isAvailable()) {
       myText = state.getText();
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ImportToggleAliasIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ImportToggleAliasIntention.java
index 166206f6451b..335c37178a62 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ImportToggleAliasIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ImportToggleAliasIntention.java
@@ -103,6 +103,10 @@ public class ImportToggleAliasIntention implements IntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     IntentionState state = IntentionState.fromContext(editor, file);
     myLastText = state.getText();
     return state.isAvailable();
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertLambdaToFunctionIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertLambdaToFunctionIntention.java
index 462b4d723f37..e9fe4b870465 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertLambdaToFunctionIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertLambdaToFunctionIntention.java
@@ -40,6 +40,10 @@ public class PyConvertLambdaToFunctionIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyLambdaExpression lambdaExpression = PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyLambdaExpression.class);
     if (lambdaExpression != null) {
       if (lambdaExpression.getBody() != null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertTripleQuotedStringIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertTripleQuotedStringIntention.java
index a84d19f71dd7..dd420026e520 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertTripleQuotedStringIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyConvertTripleQuotedStringIntention.java
@@ -42,6 +42,10 @@ public class PyConvertTripleQuotedStringIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyStringLiteralExpression string = PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyStringLiteralExpression.class);
     if (string != null) {
       final PyDocStringOwner docStringOwner = PsiTreeUtil.getParentOfType(string, PyDocStringOwner.class);
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyDemorganIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyDemorganIntention.java
index 64271ef3366f..4becd23721ce 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyDemorganIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyDemorganIntention.java
@@ -30,6 +30,10 @@ public class PyDemorganIntention extends BaseIntentionAction {
 
   @Override
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyBinaryExpression expression = PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyBinaryExpression.class);
     if (expression != null) {
       PyElementType op = expression.getOperator();
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyDictConstructorToLiteralFormIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyDictConstructorToLiteralFormIntention.java
index 34634a3e03f3..c25580b1fd8d 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyDictConstructorToLiteralFormIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyDictConstructorToLiteralFormIntention.java
@@ -33,6 +33,10 @@ public class PyDictConstructorToLiteralFormIntention extends BaseIntentionAction
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyCallExpression expression =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyCallExpression.class);
     
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyDictLiteralFormToConstructorIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyDictLiteralFormToConstructorIntention.java
index a87ed6eb6c21..2a36bc9ca5da 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyDictLiteralFormToConstructorIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyDictLiteralFormToConstructorIntention.java
@@ -33,6 +33,9 @@ public class PyDictLiteralFormToConstructorIntention extends BaseIntentionAction
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
 
     PyDictLiteralExpression dictExpression =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyDictLiteralExpression.class);
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyFlipComparisonIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyFlipComparisonIntention.java
index 3e6be16fd645..84ec2d5b0b6e 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyFlipComparisonIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyFlipComparisonIntention.java
@@ -13,6 +13,7 @@ import com.jetbrains.python.PyTokenTypes;
 import com.jetbrains.python.psi.PyBinaryExpression;
 import com.jetbrains.python.psi.PyElementGenerator;
 import com.jetbrains.python.psi.PyElementType;
+import com.jetbrains.python.psi.PyFile;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Map;
@@ -42,6 +43,10 @@ public class PyFlipComparisonIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PsiElement element = file.findElementAt(editor.getCaretModel().getOffset());
     PyBinaryExpression binaryExpression = PsiTreeUtil.getParentOfType(element, PyBinaryExpression.class, false);
     while (binaryExpression != null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyGenerateDocstringIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyGenerateDocstringIntention.java
index 1f53df064d86..1940d7cc233c 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyGenerateDocstringIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyGenerateDocstringIntention.java
@@ -13,6 +13,7 @@ import com.jetbrains.python.debugger.PySignature;
 import com.jetbrains.python.debugger.PySignatureCacheManager;
 import com.jetbrains.python.documentation.PyDocstringGenerator;
 import com.jetbrains.python.documentation.doctest.PyDocstringFile;
+import com.jetbrains.python.psi.PyFile;
 import com.jetbrains.python.psi.PyFunction;
 import com.jetbrains.python.psi.PyUtil;
 import org.jetbrains.annotations.NotNull;
@@ -37,7 +38,7 @@ public class PyGenerateDocstringIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
-    if (file instanceof PyDocstringFile) return false;
+    if (!(file instanceof PyFile) || file instanceof PyDocstringFile) return false;
     PsiElement elementAt = PyUtil.findNonWhitespaceAtOffset(file, editor.getCaretModel().getOffset());
     if (elementAt == null) {
       return false;
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyJoinIfIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyJoinIfIntention.java
index 3ee654506755..7421520190d3 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyJoinIfIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyJoinIfIntention.java
@@ -39,6 +39,10 @@ public class PyJoinIfIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyIfStatement expression =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyIfStatement.class);
 
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyNegateComparisonIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyNegateComparisonIntention.java
index 788915d1be38..cedf015dc498 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyNegateComparisonIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyNegateComparisonIntention.java
@@ -49,6 +49,9 @@ public class PyNegateComparisonIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
 
     PsiElement element = file.findElementAt(editor.getCaretModel().getOffset());
     PyBinaryExpression binaryExpression = PsiTreeUtil.getParentOfType(element, PyBinaryExpression.class, false);
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyQuotedStringIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyQuotedStringIntention.java
index c73e3216038b..95cf10332609 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyQuotedStringIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyQuotedStringIntention.java
@@ -9,6 +9,7 @@ import com.intellij.util.IncorrectOperationException;
 import com.jetbrains.python.PyBundle;
 import com.jetbrains.python.psi.PyDocStringOwner;
 import com.jetbrains.python.psi.PyElementGenerator;
+import com.jetbrains.python.psi.PyFile;
 import com.jetbrains.python.psi.PyStringLiteralExpression;
 import com.jetbrains.python.psi.impl.PyStringLiteralExpressionImpl;
 import org.jetbrains.annotations.NotNull;
@@ -25,6 +26,10 @@ public class PyQuotedStringIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyStringLiteralExpression string = PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyStringLiteralExpression.class);
     if (string != null) {
       final PyDocStringOwner docStringOwner = PsiTreeUtil.getParentOfType(string, PyDocStringOwner.class);
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PySplitIfIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PySplitIfIntention.java
index aaf3254e7379..20a77cb070de 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PySplitIfIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PySplitIfIntention.java
@@ -26,6 +26,10 @@ public class PySplitIfIntention extends BaseIntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PsiElement elementAtOffset = file.findElementAt(editor.getCaretModel().getOffset());
     if (elementAtOffset == null || elementAtOffset.getNode() == null) {
       return false;
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyStringConcatenationToFormatIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyStringConcatenationToFormatIntention.java
index 690207bcb9f5..aadbaa1897ef 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyStringConcatenationToFormatIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyStringConcatenationToFormatIntention.java
@@ -35,6 +35,10 @@ public class PyStringConcatenationToFormatIntention extends BaseIntentionAction
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PsiElement element = PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyBinaryExpression.class, false);
 
     if (element == null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/PyTransformConditionalExpressionIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/PyTransformConditionalExpressionIntention.java
index 93e770441e5d..e98eb03c316b 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/PyTransformConditionalExpressionIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/PyTransformConditionalExpressionIntention.java
@@ -36,6 +36,10 @@ public class PyTransformConditionalExpressionIntention extends BaseIntentionActi
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyAssignmentStatement expression =
       PsiTreeUtil.getParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyAssignmentStatement.class);
     if (expression != null && expression.getAssignedValue() instanceof PyConditionalExpression) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/ReplaceListComprehensionWithForIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/ReplaceListComprehensionWithForIntention.java
index 6154b79bca44..9beb2a40fe39 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/ReplaceListComprehensionWithForIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/ReplaceListComprehensionWithForIntention.java
@@ -29,6 +29,10 @@ public class ReplaceListComprehensionWithForIntention implements IntentionAction
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PyListCompExpression expression =
       PsiTreeUtil.getTopmostParentOfType(file.findElementAt(editor.getCaretModel().getOffset()), PyListCompExpression.class);
     if (expression == null) {
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/TypeAssertionIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/TypeAssertionIntention.java
index 1dc1d8ca8309..e3cea61295bd 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/TypeAssertionIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/TypeAssertionIntention.java
@@ -41,6 +41,10 @@ public class TypeAssertionIntention implements IntentionAction {
   }
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
+    if (!(file instanceof PyFile)) {
+      return false;
+    }
+
     PsiElement elementAt = PyUtil.findNonWhitespaceAtOffset(file, editor.getCaretModel().getOffset());
     PyExpression problemElement = PsiTreeUtil.getParentOfType(elementAt, PyReferenceExpression.class);
     if (problemElement == null) return false;
diff --git a/python/src/com/jetbrains/python/codeInsight/intentions/TypeIntention.java b/python/src/com/jetbrains/python/codeInsight/intentions/TypeIntention.java
index 5777e44ee12e..37c309997b4d 100644
--- a/python/src/com/jetbrains/python/codeInsight/intentions/TypeIntention.java
+++ b/python/src/com/jetbrains/python/codeInsight/intentions/TypeIntention.java
@@ -24,7 +24,7 @@ import org.jetbrains.annotations.Nullable;
 public abstract class TypeIntention implements IntentionAction {
 
   public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
-    if (file instanceof PyDocstringFile) return false;
+    if (!(file instanceof PyFile) || file instanceof PyDocstringFile) return false;
     updateText(false);
 
     final PsiElement elementAt = PyUtil.findNonWhitespaceAtOffset(file, editor.getCaretModel().getOffset());