Update tools/tool_base.py

tools/tool_base.py

@@ -1,11 +1,12 @@
-class Tool:
-    name = ""
-    description = ""
-    inputs = {}
-    output_type = "string"
+class BaseTool:
+    name: str = "base_tool"
+    description: str = "Base class for tools."
 
-    def __init__(self, **kwargs):
-        pass
+    inputs: dict = {}
+    output_type: str = "string"
 
     def forward(self, **kwargs):
-        raise NotImplementedError("Tool must implement forward method.")
+        raise NotImplementedError("Each tool must implement a `forward` method.")
+
+    def __call__(self, **kwargs):
+        return self.forward(**kwargs)