decouple AddFunctionQuickFix from Django

python/psi-api/src/com/jetbrains/python/inspections/PyInspectionExtension.java

@@ -4,6 +4,8 @@ import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.psi.PsiElement;
 import com.jetbrains.python.psi.PyDocStringOwner;
 
+import java.util.List;
+
 /**
  * @author yole
  */
@@ -17,4 +19,8 @@ public abstract class PyInspectionExtension {
   public boolean ignoreMissingDocstring(PyDocStringOwner docStringOwner) {
     return false;
   }
+
+  public List<String> getFunctionParametersFromUsage(PsiElement elt) {
+    return null;
+  }
 }