test_pool.py and pool.py have been modified.

theano/tensor/signal/pool.py

@@ -2004,4 +2004,4 @@ class DownsampleFactorMaxGradGrad(OpenMPOp):
         return ccode % locals()
 
     def c_code_cache_version(self):
-        return (0, 4, self.openmp)
+        return (0, 4, self.openmp)
\ No newline at end of file

theano/tensor/signal/tests/test_pool.py

@@ -1181,4 +1181,4 @@ class TestDownsampleFactorMax(utt.InferShapeTester):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main()
\ No newline at end of file