Fixed .flake8 file

.flake8

@@ -1,12 +1,18 @@
 [flake8]
 
 extend-ignore =
-    E266 # too many leading '#' for block comment
-    E203 # whitespace before ':'
-    E402 # module level import not at top of file
-    E501 # line too long
-    E741 # ambiguous variable names
-    E265 # block comment should start with #
+    # too many leading '#' for block comment
+    E266 
+    # whitespace before ':'
+    E203 
+    # module level import not at top of file
+    E402 
+    # line too long
+    E501 
+    # ambiguous variable names
+    E741 
+    # block comment should start with #
+    E265 
 
 per-file-ignores =
     __init__.py:F401