temporarily raise assertion error to check that tests run

libs/community/langchain_community/document_loaders/pdf.py

@@ -250,6 +250,7 @@ def lazy_load(
         self,
     ) -> Iterator[Document]:
         """Lazy load given path as pages."""
+        raise AssertionError("Testing!")
         if self.web_path:
             blob = Blob.from_data(open(self.file_path, "rb").read(), path=self.web_path)  # type: ignore[attr-defined]
         else: