BUG: Fix open file handle (#802)

Fixes #801
biocore · Aug 27, 2019 · 38e64fc · 38e64fc
1 parent 619e591
commit 38e64fc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/biom/util.py b/biom/util.py
@@ -390,7 +390,8 @@ def is_gzip(fp):
     project, but we obtained permission from the authors of this function to
     port it to the BIOM Format project (and keep it under BIOM's BSD license).
     """
-    return open(fp, 'rb').read(2) == b'\x1f\x8b'
+    with open(fp, 'rb') as f:
+        return f.read(2) == b'\x1f\x8b'
 
 
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