MAINT: remove redundant open() modes and io.open() alias

1 files changed, 2 insertions, 2 deletions

diff --git a/setup.py b/setup.py
index a1e495832..687bbb1f2 100755
--- a/setup.py
+++ b/setup.py
@@ -177,11 +177,11 @@ class concat_license_files():
 
     def __enter__(self):
         """Concatenate files and remove LICENSES_bundled.txt"""
-        with open(self.f1, 'r') as f1:
+        with open(self.f1) as f1:
             self.bsd_text = f1.read()
 
         with open(self.f1, 'a') as f1:
-            with open(self.f2, 'r') as f2:
+            with open(self.f2) as f2:
                 self.bundled_text = f2.read()
                 f1.write('\n\n')
                 f1.write(self.bundled_text)