add whitespace between operators, commas, towards PEP8 conformance of generated code
add whitespace between operators, commas, towards PEP8 conformance of generated code

Wenice/smop,victorlei/smop,metamorph-inc/smop,haraldschilly/smop,Ynafehts11/smop,haraldschilly/smop,metamorph-inc/smop,metamorph-inc/smop,Ynafehts11/smop,Wenice/smop,victorlei/smop