Minor fix to a code comment.

gooey/code_prep.py

@@ -37,7 +37,7 @@ def drop_imports(code):
 def split_line(line):
   # splits an assignment statement into varname and command strings
   # in: "parser = ArgumentParser(description='Example Argparse Program')"
-  # out: "parser", "= parser = ArgumentParser(description='Example Argparse Program"
+  # out: "parser", "ArgumentParser(description='Example Argparse Program"
   # take/dropwhile used to avoid splitting on multiple '=' signs
   not_equal_sign = lambda x: x != '='
   varname = ''.join(takewhile(not_equal_sign, line)).strip()