change the way flux client is created

app.py

@@ -295,8 +295,7 @@ def __generateImageHF(prompt: str):
 
 
 def __generateImage(prompt: str):
-    fluxClient = replicate.Client(api_token=os.environ.get("REPLICATE_API_KEY"))
-    result = fluxClient.run(
+    result = replicate.run(
         "black-forest-labs/flux-schnell",
         input={
             "prompt": prompt,