Making PY35 to only be applicable to 3.5.4 and newer

Author: adamabk

pandas/compat/__init__.py

@@ -41,7 +41,7 @@
 
 PY2 = sys.version_info[0] == 2
 PY3 = (sys.version_info[0] >= 3)
-PY35 = (sys.version_info >= (3, 5))
+PY35 = (sys.version_info >= (3, 5, 4))
 PY36 = (sys.version_info >= (3, 6))
 PYPY = (platform.python_implementation() == 'PyPy')
 
@@ -424,7 +424,11 @@ def raise_with_traceback(exc, traceback=Ellipsis):
 
 
 # In Python 3.7, the private re._pattern_type is removed.
-re_type = type(re.compile(''))
+if PY35:
+    import typing
+    re_type = typing.re.Pattern
+else:
+    re_type = type(re.compile(''))
 
 # https://github.com/pandas-dev/pandas/pull/9123
 def is_platform_little_endian():