Update app.py

app.py

@@ -55,7 +55,7 @@ def generate_image(prompt_SD:str):
         "Content-Type": "application/json",
         "Accept": "image/png" # important to get an image back
     }
-    response = r.post(ENDPOINT_URL, headers=headers, json=payload)
+    response = requests.post(ENDPOINT_URL, headers=headers, json=payload)
     print(response.content)
     img = Image.open(BytesIO(response.content))