[fix] pep8

searx/plugins/__init__.py

@@ -136,7 +136,7 @@ def fix_package_resources(pkg, name):
 
 def sha_sum(filename):
     with open(filename, "rb") as f:
-        bytes = f.read() # read entire file as bytes
+        bytes = f.read()
         return sha256(bytes).hexdigest()