Update models/gpt_model.py

models/gpt_model.py

@@ -8,7 +8,6 @@ if openai_api:
 class ImageToText:
     def __init__(self, gpt_version="gpt-3.5-turbo"):
         self.template = self.initialize_template()
-        openai.api_key = os.getenv("OPENAI_API_KEY", "")
         self.gpt_version = gpt_version
 
     def initialize_template(self):
@@ -33,6 +32,7 @@ class ImageToText:
         print('\033[1;35m' + '*' * 100 + '\033[0m')
         print('\nStep4, Paragraph Summary with GPT-3:')
         print('\033[1;34m' + "Question:".ljust(10) + '\033[1;36m' + question + '\033[0m')
+        openai.api_key = os.getenv("OPENAI_API_KEY", "")
         completion = openai.ChatCompletion.create(
             model=self.gpt_version, 
             messages = [