Replace pathlib with pathlib2

Author: strongbugman

openapi_spec_validator/__main__.py

@@ -1,7 +1,10 @@
 import logging
 import argparse
 import os
-import pathlib
+try:
+    import pathlib
+except ImportError:
+    import pathlib2 as pathlib
 import sys
 
 

setup.py

@@ -71,7 +71,7 @@ def run_tests(self):
         "jsonschema<3",
         "PyYAML>=3.13",
         "six",
-        'pathlib;python_version=="2.7"',
+        'pathlib2;python_version=="2.7"',
     ],
     tests_require=[
         "mock",