Update app.py

OpenAI dall-e2 would not accept quality='standard'

app.py

@@ -905,8 +905,8 @@ def make_image(prompt, user, pwd):
     msg = 'Error: unable to create image.'
     fpath = None
     model = 'dall-e-2'
-    size = '512x512'
     quality = 'standard'
+    size = '512x512'
     if user in unames and pwd == pwdList[unames.index(user)]:
         if len(prompt.strip()) == 0:
             return [gr.Image(value=None, visible=False), 'You must provide a prompt describing image you desire']
@@ -915,12 +915,19 @@ def make_image(prompt, user, pwd):
             model = 'dall-e-3'
             size = '1024x1024'
             quality = 'hd'
-        try:
-            response = Client().images.generate(model=model, prompt=prompt,size=size,
-               quality=quality, response_format='b64_json')
-        except Exception as ex:
-            msg = ex.message
-            return [gr.Image(visible=False, value=None), msg]
+            try:
+                response = Client().images.generate(model=model, prompt=prompt,size=size,
+                    response_format='b64_json', quality=quality)
+            except Exception as ex:
+                msg = ex.message
+                return [gr.Image(visible=False, value=None), msg]
+        else:
+            try:
+                response = Client().images.generate(model=model, prompt=prompt,size=size,
+                    response_format='b64_json')
+            except Exception as ex:
+                msg = ex.message
+                return [gr.Image(visible=False, value=None), msg]
         if len(response.data) == 0:
             msg = "OpenAI returned no image data"
             return [gr.Image(visible=False, value=None), msg]