--- theano/tensor/nnet/corr3d.py.orig	2020-07-27 10:09:29.000000000 -0600
+++ theano/tensor/nnet/corr3d.py	2020-08-07 09:22:58.269099242 -0600
@@ -225,11 +225,10 @@ class BaseCorr3dMM(gof.OpenMPOp):
             sub['blas_get_num_threads'] = '0'
 
         files = [os.path.join('c_code', 'corr3d_gemm.c')]
-        codes = [open(os.path.join(os.path.split(__file__)[0], f)).read()
-                 for f in files]
         final_code = ''
-        for code in codes:
-            final_code += code
+        for f in files:
+            with open(os.path.join(os.path.split(__file__)[0], f)) as fil:
+                final_code += fil.read()
         return final_code % sub
 
     def c_code_helper(self, bottom, weights, top, sub,
--- theano/tensor/nnet/corr.py.orig	2020-07-27 10:09:29.000000000 -0600
+++ theano/tensor/nnet/corr.py	2020-08-07 09:23:51.893131939 -0600
@@ -240,11 +240,10 @@ class BaseCorrMM(gof.OpenMPOp):
             sub['blas_get_num_threads'] = '0'
 
         files = [os.path.join('c_code', 'corr_gemm.c')]
-        codes = [open(os.path.join(os.path.split(__file__)[0], f)).read()
-                 for f in files]
         final_code = ''
-        for code in codes:
-            final_code += code
+        for f in files:
+            with open(os.path.join(os.path.split(__file__)[0], f)) as fil:
+                final_code += fil.read()
         return final_code % sub
 
     def c_code_helper(self, bottom, weights, top, sub, height=None, width=None):