Parse pypy3 version string

pipenv/utils.py

@@ -192,6 +192,7 @@ def parse_python_version(output):
 
     Note: The micro part would be `'0'` if it's missing from the input string.
     """
+    version_line = output.split('\n', 1)[0]
     version_pattern = re.compile(r'''
         ^                   # Beginning of line.
         Python              # Literally "Python".
@@ -207,7 +208,7 @@ def parse_python_version(output):
         $                   # End of line.
     ''', re.VERBOSE)
 
-    match = version_pattern.match(output)
+    match = version_pattern.match(version_line)
     if not match:
         return None
     return match.groupdict(default='0')

tests/unit/test_utils.py

@@ -214,6 +214,7 @@ class TestUtils:
             ('Python 3.6.2', '3.6.2'),
             ('Python 3.6.2 :: Continuum Analytics, Inc.', '3.6.2'),
             ('Python 3.6.20 :: Continuum Analytics, Inc.', '3.6.20'),
+            ('Python 3.5.3 (3f6eaa010fce78cc7973bdc1dfdb95970f08fed2, Jan 13 2018, 18:14:01)\n[PyPy 5.10.1 with GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.39.2)]', '3.5.3')
         ],
     )
     @patch('delegator.run')