Update app.py

app.py

@@ -20,19 +20,19 @@ bytes_data=None
 
 app = Flask(__name__)
 
-flag = True
+flag1 = True
 
 @app.route('/at')
 def testme():
     # return "i am in testme"
-    while flag :
+    while flag1 is True:
         
         img_file_buffer=st.camera_input("Take a picture")
         if img_file_buffer is not None:
             test_image = Image.open(img_file_buffer)
             st.image(test_image, use_column_width=True)
         if bytes_data is None:
-            flag = False
+            flag1 = False
             st.stop()
 
 # def attend():