Import Upstream version 2.7.18

Misc/vgrindefs

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+# vgrind is a pretty-printer that takes source code and outputs
+# eye-pleasing postscript.  The entry below should be added to your
+# local vgrindefs file.  Contributed by Neale Pickett <neale@lanl.gov>.
+
+python|Python|py:\
+        :pb=^\d?(def|class)\d\p(\d|\\|\(|\:):\
+        :cb=#:ce=$:sb=":se=\e":lb=':le=\e':\
+        :kw=assert and break class continue def del elif else except\
+         exec finally for from global if import in is lambda not or\
+         pass print raise return try while yield: