Use a context manager for loading the neural network file.

Marina Samuel · Marina Samuel · commit ba80cfb09080 · 2014-04-27T13:36:00.000-04:00
diff --git a/ocr/ocr.py b/ocr/ocr.py
@@ -125,10 +125,9 @@ def save(self):
         nnFile.close()
 
     def _load(self):
-        nnFile = open(ocrNeuralNetwork.NN_FILE_PATH);
-        nn = json.load(nnFile)
+        with open(ocrNeuralNetwork.NN_FILE_PATH) as nnFile:
+            nn = json.load(nnFile)
         self.theta1 = [np.array(li) for li in nn['theta1']]
         self.theta2 = [np.array(li) for li in nn['theta2']]
         self.input_layer_bias = [np.array(nn['b1'][0])]
         self.hidden_layer_bias = [np.array(nn['b2'][0])]
-        nnFile.close()
