From 064cf8120f2f2e6fc95092daa476e4344e47680e Mon Sep 17 00:00:00 2001
From: Gabriel Almeida <gabriel@logspace.ai>
Date: Thu, 30 Mar 2023 16:34:52 -0300
Subject: [PATCH] fix: change typing for linting and formatting

---
 src/backend/langflow/graph/graph.py         |  2 --
 src/backend/langflow/graph/nodes.py         |  3 ---
 src/backend/langflow/interface/signature.py |  1 -
 src/backend/langflow/settings.py            | 16 ++++++++--------
 src/backend/langflow/utils/util.py          |  2 +-
 5 files changed, 9 insertions(+), 15 deletions(-)

diff --git a/src/backend/langflow/graph/graph.py b/src/backend/langflow/graph/graph.py
index 91b225986..de8469641 100644
--- a/src/backend/langflow/graph/graph.py
+++ b/src/backend/langflow/graph/graph.py
@@ -1,5 +1,3 @@
-from copy import deepcopy
-import types
 from typing import Dict, List, Union
 from langflow.utils import payload
 from langflow.interface.listing import ALL_TOOLS_NAMES
diff --git a/src/backend/langflow/graph/nodes.py b/src/backend/langflow/graph/nodes.py
index 963b6cb45..43350b3d9 100644
--- a/src/backend/langflow/graph/nodes.py
+++ b/src/backend/langflow/graph/nodes.py
@@ -1,9 +1,6 @@
 from copy import deepcopy
-import types
 from typing import Any, Dict, List, Optional, Union
 
-from langflow.interface.listing import ALL_TYPES_DICT, TOOLS_DICT
-from langflow.interface import loading
 from langflow.graph.base import Node
 
 
diff --git a/src/backend/langflow/interface/signature.py b/src/backend/langflow/interface/signature.py
index 80a544d31..f9de437a7 100644
--- a/src/backend/langflow/interface/signature.py
+++ b/src/backend/langflow/interface/signature.py
@@ -13,7 +13,6 @@ from langflow.interface.custom_lists import (
     llm_type_to_cls_dict,
     memory_type_to_cls_dict,
     toolkit_type_to_cls_dict,
-    toolkit_type_to_loader_dict,
     wrapper_type_to_cls_dict,
 )
 
diff --git a/src/backend/langflow/settings.py b/src/backend/langflow/settings.py
index f4dd4ae30..2c8d3e8c6 100644
--- a/src/backend/langflow/settings.py
+++ b/src/backend/langflow/settings.py
@@ -1,18 +1,18 @@
 import os
-from typing import List, Optional
+from typing import List
 
 import yaml
 from pydantic import BaseSettings, Field, root_validator
 
 
 class Settings(BaseSettings):
-    chains: Optional[List[str]] = Field(...)
-    agents: Optional[List[str]] = Field(...)
-    prompts: Optional[List[str]] = Field(...)
-    llms: Optional[List[str]] = Field(...)
-    tools: Optional[List[str]] = Field(...)
-    memories: Optional[List[str]] = Field(...)
-    dev: bool = Field(...)
+    chains: List[str] = Field(default=[])
+    agents: List[str] = Field(default=[])
+    prompts: List[str] = Field(default=[])
+    llms: List[str] = Field(default=[])
+    tools: List[str] = Field(default=[])
+    memories: List[str] = Field(default=[])
+    dev: bool = Field(default=False)
 
     class Config:
         validate_assignment = True
diff --git a/src/backend/langflow/utils/util.py b/src/backend/langflow/utils/util.py
index c7dfc230e..10048c831 100644
--- a/src/backend/langflow/utils/util.py
+++ b/src/backend/langflow/utils/util.py
@@ -55,7 +55,7 @@ def build_template_from_parameters(
 
     return {
         "template": format_dict(variables, name),
-        "description": docs["Description"],
+        "description": docs["Description"],  # type: ignore
         "base_classes": base_classes,
     }