Update app.py

app.py

@@ -86,10 +86,9 @@ def apply_canny(image, low_threshold, high_threshold):
 def generate_image(prompt, input_image, low_threshold, high_threshold, strength, guidance, controlnet_conditioning_scale):
 
     print(pipe.get_active_adapters())
-    print(str(type(input_image)))
 
     ## execute if an image is provided
-    if str(type(input_image)) != "NoneType":
+    if isinstance(input_image, type(None)):
         # Apply edge detection
         edge_detected = apply_canny(input_image, low_threshold, high_threshold)