Update tools/scroll_page.py

tools/scroll_page.py

@@ -1,6 +1,9 @@
 from smolagents.tools import Tool
 from helium import scroll_down, scroll_up, get_driver
 from selenium.webdriver.common.by import By
+import logging
+
+logger = logging.getLogger(__name__)
 
 class ScrollPageTool(Tool):
     name = "scroll_page"
@@ -13,9 +16,14 @@ class ScrollPageTool(Tool):
     output_type = "string"
 
     def __init__(self, driver):
+        super().__init__()
         self.driver = driver
+        self.is_initialized = self.driver is not None
+        logger.debug(f"ScrollPageTool initialized: is_initialized={self.is_initialized}")
 
     def forward(self, selector=None, num_pixels=1200, direction="down"):
+        if not self.is_initialized:
+            return "Error: ScrollPageTool is not initialized"
         try:
             if selector:
                 element = self.driver.find_element(By.CSS_SELECTOR, selector)