🐛 fix(loading.py): remove loaded file after instantiating document loader

When instantiating the document loader, the loaded file is now removed after it has been loaded. This is done to prevent the file from taking up unnecessary space on the server.

src/backend/langflow/interface/loading.py

@@ -11,6 +11,7 @@ from langchain.agents.load_tools import (
     _EXTRA_OPTIONAL_TOOLS,
     _LLM_TOOLS,
 )
+from pathlib import Path
 from langchain.agents.loading import load_agent_from_config
 from langchain.agents.tools import Tool
 from langchain.base_language import BaseLanguageModel
@@ -140,7 +141,13 @@ def instantiate_vectorstore(class_object, params):
 
 
 def instantiate_documentloader(class_object, params):
-    return class_object(**params).load()
+    documents = class_object(**params).load()
+    # now that the file is loaded, we can remove the path
+    for value in params.values():
+        path = Path(value)
+        if path.exists():
+            path.unlink()
+    return documents
 
 
 def instantiate_textsplitter(class_object, params):