changed OPENAPI env var

Author: alessioricco

pandas_llm/example-chatbot.py

@@ -49,7 +49,7 @@
 def main():
 
     # Set the OpenAI API key
-    openai_key = os.environ.get("OPENAI_KEY")
+    openai_key = os.environ.get("OPENAI_API_KEY")
     if openai_key is None:
         print("No OpenAI API key provided. Exiting.")
         return

pandas_llm/example.py

@@ -21,7 +21,7 @@
 df = pd.DataFrame(data, columns=['name', 'age', 'donation'])
 
 config = {
-    "openai_api_key":os.environ.get("OPENAI_KEY")
+    "openai_api_key":os.environ.get("OPENAI_API_KEY")
 }
 
 conv_df = PandasLLM(data=df, config=config)

pandas_llm/pandas_llm.py

@@ -25,7 +25,7 @@ def __init__(self, data=None, config=None, *args, **kwargs):
         self.config = config or {}
 
         # Set up OpenAI API key from the environment or the config
-        self.openai_api_key = os.environ.get("OPENAI_KEY") or self.config.get("openai_api_key", "your_openai_api_key")
+        self.openai_api_key = os.environ.get("OPENAI_API_KEY") or self.config.get("openai_api_key", "")
 
         self.model = self.config.get("model", self.model)
         self.temperature = self.config.get("temperature", self.temperature)