Handle minor issue: tools name shouldn't contain space for openai (#961)

As per (langchain-ai/langchain#16395), OpenAI functions don't accept tool names with space. Therefore, I added an exception handling snippet to raise an issue if a custom tool name has a space.

src/crewai/tools/tool_usage.py

@@ -71,7 +71,14 @@ def __init__(
         self.task = task
         self.action = action
         self.function_calling_llm = function_calling_llm
-
+
+        # Handling bug (see https://github.com/langchain-ai/langchain/pull/16395): raise an error if tools_names have space for ChatOpenAI
+        if isinstance(self.function_calling_llm, ChatOpenAI):
+            if " " in self.tools_names:
+                raise Exception(
+                    "Tools names should not have spaces for ChatOpenAI models."
+                )
+
         # Set the maximum parsing attempts for bigger models
         if (isinstance(self.function_calling_llm, ChatOpenAI)) and (
             self.function_calling_llm.openai_api_base is None