PY-853

Back space action should respect indentation settings in non empty lines

python/testData/editing/smartUnindent.after.py

@@ -0,0 +1,3 @@
+class Foo(object):
+def foo(bar):
+        pass

python/testData/editing/smartUnindent.before.py

@@ -0,0 +1,3 @@
+class Foo(object):
+    def foo(bar):
+        pass