Update app.py

app.py

@@ -13,7 +13,7 @@ URL = "http://localhost:5000/predictions"
 SCHEMA_URL = "http://localhost:5000/openapi.json"
 
 def get_schema():
-    response = requests.post(SCHEMA_URL)
+    response = requests.get(SCHEMA_URL)
     json_response = response.json()
     print("The schema")
     print(json_response)