Update app.py

app.py

@@ -11,9 +11,9 @@ def imread(filepath):
     fpath, fext = os.path.splitext(filepath)
 
     if fext in ['tiff', 'tif']:
-        img = tiff.imread(filepath[-1])
+        img = tiff.imread(filepath)
     else:
-        img = cv2.imread(filepath[-1])
+        img = cv2.imread(filepath)
 
     return img