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-rw-r--r--numpy/lib/_datasource.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/numpy/lib/_datasource.py b/numpy/lib/_datasource.py
index 653432405..8918925ab 100644
--- a/numpy/lib/_datasource.py
+++ b/numpy/lib/_datasource.py
@@ -297,9 +297,10 @@ class DataSource (object):
"""
last = None
path = os.path.normpath(path)
+ drive, path = os.path.splitdrive(path) # for Windows
while path != last:
last = path
- # Note: os.path.join treats '/' as os.sep
+ # Note: os.path.join treats '/' as os.sep on Windows
path = path.lstrip(os.sep).lstrip('/')
path = path.lstrip(os.pardir).lstrip('..')
return path