Fixed responses

app.py

@@ -77,7 +77,7 @@ class RenderNet:
                     'replicantV30_v30.safetensors [cf65f48ecf]'
                     ]
 
-        return response
+        return json.dumps(response)
 
     def list_samplers(self):
         response = [
@@ -87,7 +87,7 @@ class RenderNet:
                     'Euler a',
                     'DPM++ 2M SDE Karras'
                     ]
-        return response
+        return json.dumps(response)
 
     def _post(self, url, params):
         headers = {
@@ -99,8 +99,7 @@ class RenderNet:
         if response.status_code != 200:
             raise Exception(f"Bad RenderNet Response: {response.status_code}")
 
-        #return JSON response 
-        return json.dumps(response)
+        return response
 
     def _get(self, url):
         response = requests.get(url, headers=self.headers)
@@ -108,8 +107,7 @@ class RenderNet:
         if response.status_code != 200:
             raise Exception(f"Bad RenderNet Response: {response.status_code}")
 
-        #return JSON response 
-        return json.dumps(response)
+        return response
 
 
 def image_to_base64(image):