changes

app.py

@@ -101,7 +101,7 @@ def chat_gpt_document(content, document_type, context):
     return json.dumps(property_info, indent=4)
 
 def detect_image(content, lang):
-    credentials = os.environ['CREDENTIALS']
+    credentials = json.loads(os.environ['CREDENTIALS'])
     temp_file_path = 'temp_credentials.json'
     with open(temp_file_path, 'w') as file:
         json.dump(credentials, file)
@@ -128,7 +128,7 @@ def detect_image(content, lang):
     return(response.full_text_annotation.text)
 
 def detect_document(content):
-    credentials = os.environ['CREDENTIALS']
+    credentials = json.loads(os.environ['CREDENTIALS'])
     temp_file_path = 'temp_credentials.json'
     with open(temp_file_path, 'w') as file:
         json.dump(credentials, file)