Fix tool parsing for ollama

cookbook/providers/ollama/agent.py

@@ -2,6 +2,7 @@
 
 from phi.agent import Agent, RunResponse  # noqa
 from phi.model.ollama import Ollama
+from phi.tools.crawl4ai_tools import Crawl4aiTools
 from phi.tools.yfinance import YFinanceTools
 
 agent = Agent(
@@ -18,3 +19,13 @@
 
 # Print the response in the terminal
 agent.print_response("What is the stock price of NVDA and TSLA")
+
+
+
+agent = Agent(
+    model=Ollama(id="llama3.1:8b"),
+    tools=[Crawl4aiTools(max_length=1000)],
+    show_tool_calls=True
+)
+agent.print_response("Summarize me the key points in bullet points of this: https://blog.google/products/gemini/google-gemini-deep-research/",
+                     stream=True)

phi/model/ollama/chat.py

@@ -134,6 +134,11 @@ def request_kwargs(self) -> Dict[str, Any]:
             request_params["keep_alive"] = self.keep_alive
         if self.tools is not None:
             request_params["tools"] = self.get_tools_for_api()
+            # Ensure types are valid strings
+            for tool in request_params["tools"]:
+                for prop, obj in tool["function"]["parameters"]["properties"].items():
+                    if type(obj["type"]) == list:
+                        obj["type"] = obj["type"][0]
         if self.request_params is not None:
             request_params.update(self.request_params)
         return request_params

phi/tools/function.py

@@ -158,7 +158,6 @@ def process_entrypoint(self, strict: bool = False):
 
             # Get JSON schema for parameters only
             parameters = get_json_schema(type_hints=param_type_hints, strict=strict)
-
             # If strict=True mark all fields as required
             # See: https://platform.openai.com/docs/guides/structured-outputs/supported-schemas#all-fields-must-be-required
             if strict:
@@ -171,6 +170,8 @@ def process_entrypoint(self, strict: bool = False):
                     if param.default == param.empty and name != "self" and name != "agent"
                 ]
 
+            # Param type should not be a list
+
             # logger.debug(f"JSON schema for {self.name}: {parameters}")
         except Exception as e:
             logger.warning(f"Could not parse args for {self.name}: {e}", exc_info=True)