diff --git a/examples/openai/xml_scraper_openai.py b/examples/openai/xml_scraper_openai.py
index 1d3b8d85..bac87ff9 100644
--- a/examples/openai/xml_scraper_openai.py
+++ b/examples/openai/xml_scraper_openai.py
@@ -4,7 +4,7 @@ Basic example of scraping pipeline using XMLScraperGraph from XML documents
 import os
 from dotenv import load_dotenv
 from scrapegraphai.graphs import XMLScraperGraph
-from scrapegraphai.utils import convert_to_csv, convert_to_json, prettify_exec_info
+from scrapegraphai.utils import prettify_exec_info
 
 load_dotenv()
 
@@ -23,7 +23,7 @@ with open(file_path, 'r', encoding="utf-8") as file:
 # Define the configuration for the graph
 # ************************************************
 
-openai_key = os.getenv("OPENAI_APIKEY")
+openai_key = os.getenv("OPENAI_API_KEY")
 
 graph_config = {
     "llm": {
@@ -53,6 +53,3 @@ print(result)
 graph_exec_info = xml_scraper_graph.get_execution_info()
 print(prettify_exec_info(graph_exec_info))
 
-# Save to json or csv
-convert_to_csv(result, "result")
-convert_to_json(result, "result")
diff --git a/scrapegraphai/graphs/smart_scraper_graph.py b/scrapegraphai/graphs/smart_scraper_graph.py
index 8f13e340..246c3194 100644
--- a/scrapegraphai/graphs/smart_scraper_graph.py
+++ b/scrapegraphai/graphs/smart_scraper_graph.py
@@ -91,7 +91,7 @@ class SmartScraperGraph(AbstractGraph):
             return response
 
         fetch_node = FetchNode(
-            input="url| local_dir",
+            input="url | local_dir",
             output=["doc"],
             node_config={
                 "llm_model": self.llm_model,
diff --git a/scrapegraphai/nodes/fetch_node.py b/scrapegraphai/nodes/fetch_node.py
index e58cfb84..e666b340 100644
--- a/scrapegraphai/nodes/fetch_node.py
+++ b/scrapegraphai/nodes/fetch_node.py
@@ -107,15 +107,13 @@ class FetchNode(BaseNode):
 
         if input_type in handlers:
             return handlers[input_type](state, input_type, source)
-        elif self.input == "pdf_dir":
-            return state
-
-        try:
+        elif input_type == "local_dir":
+            return self.handle_local_source(state, source)
+        elif input_type == "url":
             return self.handle_web_source(state, source)
-        except ValueError as e:
-            raise
+        else:
+            raise ValueError(f"Invalid input type: {input_type}")
 
-        return self.handle_local_source(state, source)
 
     def handle_directory(self, state, input_type, source):
         """