Update tester.py

tester.py

@@ -273,11 +273,11 @@ class CaptionSampler(object):
 
 
     
-def main(image):
-    sampler = CaptionSampler()
-    # image = 'sample_images/CXR195_IM-0618-1001.png'
-    caption  = sampler.sample(image)
-    print(caption[0])
-
-    return caption[0]
+    def main(image):
+        sampler = CaptionSampler()
+        # image = 'sample_images/CXR195_IM-0618-1001.png'
+        caption  = sampler.sample(image)
+        print(caption[0])
+    
+        return caption[0]