Move __init__ Python version check earlier.

QuLogic · QuLogic · commit bd072ae433ef · 2018-02-15T15:11:23.000-05:00
This will allow us to import anything new things from the standard
library without breaking Python 2.
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -105,6 +105,18 @@
 
 import six
 
+import sys
+if sys.version_info < (3, 5):  # noqa: E402
+    raise ImportError("""
+Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
+Beginning with Matplotlib 3.0, Python 3.5 and above is required.
+
+See Matplotlib `INSTALL.rst` file for more information:
+
+    https://github.com/matplotlib/matplotlib/blob/master/INSTALL.rst
+
+""")
+
 import atexit
 from collections import MutableMapping
 import contextlib
@@ -121,21 +133,9 @@
 import re
 import shutil
 import stat
-import sys
 import tempfile
 import warnings
 
-if sys.version_info < (3, 5):  # noqa: E402
-    raise ImportError("""
-Matplotlib 3.0+ does not support Python 2.x, 3.0, 3.1, 3.2, 3.3, or 3.4.
-Beginning with Matplotlib 3.0, Python 3.5 and above is required.
-
-See Matplotlib `INSTALL.rst` file for more information:
-
-    https://github.com/matplotlib/matplotlib/blob/master/INSTALL.rst
-
-""")
-
 # cbook must import matplotlib only within function
 # definitions, so it is safe to import from it here.
 from . import cbook
