ENH: Changed the sequence of checking for locale existence of a file and importing urllib modules in numpy._datasource.py to prevent the import in case the local file was found

See #12536

1 files changed, 5 insertions, 4 deletions

diff --git a/numpy/lib/_datasource.py b/numpy/lib/_datasource.py
index 3a0e67f60..816f7624e 100644
--- a/numpy/lib/_datasource.py
+++ b/numpy/lib/_datasource.py
@@ -547,6 +547,11 @@ class DataSource(object):
         is accessible if it exists in either location.
 
         """
+
+        # First test for local path
+        if os.path.exists(path):
+            return True
+
         # We import this here because importing urllib2 is slow and
         # a significant fraction of numpy's total import time.
         if sys.version_info[0] >= 3:
@@ -556,10 +561,6 @@ class DataSource(object):
             from urllib2 import urlopen
             from urllib2 import URLError
 
-        # Test local path
-        if os.path.exists(path):
-            return True
-
         # Test cached url
         upath = self.abspath(path)
         if os.path.exists(upath):