SNOW-27059: workaround for Python 2.7 bug 7980

Author: smtakeda

connection.py

@@ -8,12 +8,12 @@
 import uuid
 from io import StringIO
 from threading import Lock
+from time import strptime
 
 from . import errors
 from . import network
 from .compat import (TO_UNICODE, IS_OLD_PYTHON, urlencode, PY2)
 from .converter import SnowflakeConverter
-from .converter_snowsql import SnowflakeConverterSnowSQL
 from .cursor import SnowflakeCursor
 from .errorcode import (ER_CONNECTION_IS_CLOSED,
                         ER_NO_ACCOUNT_NAME, ER_OLD_PYTHON, ER_NO_USER,
@@ -81,6 +81,9 @@
           callable(getattr(errors, method))]:
     setattr(sys.modules[__name__], m, getattr(errors, m))
 
+# Workaround for https://bugs.python.org/issue7980
+strptime('20150102030405', '%Y%m%d%H%M%S')
+
 
 class SnowflakeConnection(object):
     u"""

ocsp_pyopenssl.py

@@ -1077,8 +1077,6 @@ def validate(self, hostname, connection,
             return True
 
         cert_data = _extract_certificate_chain(connection)
-        # Workaround for https://bugs.python.org/issue7980
-        strptime('20150102030405', '%Y%m%d%H%M%S')
 
         pool = ThreadPool(len(cert_data))
         results = []