fix a few typo identify by GPT

examples/flows/chat/chat-with-wikipedia/get_wiki_url.py

@@ -35,7 +35,7 @@ def get_wiki_url(entity: str, count=2):
             if mw_divs:  # mismatch
                 result_titles = [decode_str(div.get_text().strip()) for div in mw_divs]
                 result_titles = [remove_nested_parentheses(result_title) for result_title in result_titles]
-                print(f"Could not find {entity}. Similar ententity: {result_titles[:count]}.")
+                print(f"Could not find {entity}. Similar entity: {result_titles[:count]}.")
                 url_list.extend(
                     [f"https://en.wikipedia.org/w/index.php?search={result_title}" for result_title in result_titles]
                 )

examples/flows/standard/basic/hello.py

@@ -38,7 +38,7 @@ def my_python_tool(
         load_dotenv()
 
     if "AZURE_OPENAI_API_KEY" not in os.environ:
-        raise Exception("Please sepecify environment variables: AZURE_OPENAI_API_KEY")
+        raise Exception("Please specify environment variables: AZURE_OPENAI_API_KEY")
 
     conn = dict(
         api_key=os.environ["AZURE_OPENAI_API_KEY"],

examples/flows/standard/web-classification/convert_to_dict.py

@@ -8,5 +8,5 @@ def convert_to_dict(input_str: str):
     try:
         return json.loads(input_str)
     except Exception as e:
-        print("input is not valid, error: {}".format(e))
+        print("The input is not valid, error: {}".format(e))
         return {"category": "None", "evidence": "None"}