[Python] Fix Oniguruma incompatibility with regex for path (sublimehq…

…#1897)

Python/Python.sublime-syntax

@@ -32,7 +32,7 @@ variables:
   identifier: '\b[[:alpha:]_]{{identifier_continue}}*\b'
   identifier_constant: '\b(?:[\p{Lu}_][\p{Lu}_\d]*)?[\p{Lu}]{2,}[\p{Lu}_\d]*\b'  # require 2 consecutive upper-case letters
   digitpart: (?:\d(?:_?\d)*)
-  path: '({{identifier}} *\. *)*{{identifier}}'
+  path: '({{identifier}}[ ]*\.[ ]*)*{{identifier}}'
   sql_indicator: \s*(?:SELECT|INSERT|UPDATE|DELETE|CREATE|REPLACE|ALTER|WITH)\b
   illegal_names: (?:and|as|assert|break|class|continue|def|del|elif|else|except|finally|for|from|global|if|import|in|is|lambda|not|or|pass|raise|return|try|while|with|yield)
   format_spec: |-