[gardening] Fix violations of non-controversial PEP8 rules

Fixes:
* multiple statements on one line (colon) (E701)
* missing whitespace around arithmetic operator (E226)
* missing whitespace around operator (E225)
* closing bracket does not match visual indentation (E124)
* blank line contains whitespace (W293)
* continuation line missing indentation or outdented (E122)
* continuation line over-indented for hanging indent (E126)
* missing expected blank line (E301)
* trailing whitespace (W291)
* unexpected spaces around keyword / parameter equals (E251)
* whitespace after '(', '[' or '{' (E201)
* whitespace before ')', ']' or '}' (E202)
* whitespace before ',' or ':' (E203)

tools/SourceKit/bindings/python/sourcekitd/capi.py

@@ -398,7 +398,7 @@ functionList = [
   	[Response],
   	c_bool),
 
-#  ("sourcekitd_send_request",
+  #  ("sourcekitd_send_request",
 
   ("sourcekitd_send_request_sync",
   	[Object],
@@ -469,19 +469,19 @@ functionList = [
   ("sourcekitd_variant_dictionary_get_int64",
   	[Variant, UIdent],
   	c_int64),
-  
+
   ("sourcekitd_variant_dictionary_get_string",
   	[Variant, UIdent],
   	c_char_p),
-  
+
   ("sourcekitd_variant_dictionary_get_value",
   	[Variant, UIdent],
   	Variant),
-  
+
   ("sourcekitd_variant_dictionary_get_uid",
   	[Variant, UIdent],
   	c_object_p),
-  
+
   ("sourcekitd_variant_get_type",
   	[Variant],
   	VariantType.from_id),