PY-31795 Don't suggest removing parentheses when there is no expression inside

python/testData/inspections/PyRedundantParenthesesInspection/SingleLeftParenthesis.py

@@ -0,0 +1 @@
+if <caret>(<EOLError descr="Indent expected"></EOLError><EOLError descr="')' expected"></EOLError>

python/testData/inspections/PyRedundantParenthesesInspection/SyntaxErrorInside.py

@@ -0,0 +1,7 @@
+
+def pycharm_hanger_method(a, b):
+    if(<error descr="Unexpected expression syntax">!m_<caret>isReverse</error>)<error descr="Colon expected">{
+        m_startPoint = startPoint
+    } else {
+        m_endPoint = startPoint
+    }</error>

python/testData/inspections/RedundantParenthesesMultipleParentheses.py

@@ -0,0 +1 @@
+(<caret>((42)))

python/testData/inspections/RedundantParenthesesMultipleParentheses_after.py

@@ -0,0 +1 @@
+(42)