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# I'm a comment! Django==1.2.3 foo[bar]==1.2 baz>1,<2 python-dateutil>=1.5,<=2.1,!=2.0 backports.ssl-match-hostname==3.4.0.2 # https://www.python.org/dev/peps/pep-0440/#version-specifiers quux~=1.2 xyx==1.2.* abc===foobar