diff --git a/backend/apps/images/main.py b/backend/apps/images/main.py
index f4dfc8a73..d2f5ddd5d 100644
--- a/backend/apps/images/main.py
+++ b/backend/apps/images/main.py
@@ -94,7 +94,7 @@ app.state.config.COMFYUI_FLUX_FP8_CLIP = COMFYUI_FLUX_FP8_CLIP
 
 
 def get_automatic1111_api_auth():
-    if app.state.config.AUTOMATIC1111_API_AUTH == None:
+    if app.state.config.AUTOMATIC1111_API_AUTH is None:
         return ""
     else:
         auth1111_byte_string = app.state.config.AUTOMATIC1111_API_AUTH.encode("utf-8")
@@ -145,7 +145,7 @@ async def get_engine_url(user=Depends(get_admin_user)):
 async def update_engine_url(
     form_data: EngineUrlUpdateForm, user=Depends(get_admin_user)
 ):
-    if form_data.AUTOMATIC1111_BASE_URL == None:
+    if form_data.AUTOMATIC1111_BASE_URL is None:
         app.state.config.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
     else:
         url = form_data.AUTOMATIC1111_BASE_URL.strip("/")
@@ -156,7 +156,7 @@ async def update_engine_url(
         except Exception as e:
             raise HTTPException(status_code=400, detail=ERROR_MESSAGES.INVALID_URL)
 
-    if form_data.COMFYUI_BASE_URL == None:
+    if form_data.COMFYUI_BASE_URL is None:
         app.state.config.COMFYUI_BASE_URL = COMFYUI_BASE_URL
     else:
         url = form_data.COMFYUI_BASE_URL.strip("/")
@@ -168,7 +168,7 @@ async def update_engine_url(
         except Exception as e:
             raise HTTPException(status_code=400, detail=ERROR_MESSAGES.INVALID_URL)
 
-    if form_data.AUTOMATIC1111_API_AUTH == None:
+    if form_data.AUTOMATIC1111_API_AUTH is None:
         app.state.config.AUTOMATIC1111_API_AUTH = AUTOMATIC1111_API_AUTH
     else:
         app.state.config.AUTOMATIC1111_API_AUTH = form_data.AUTOMATIC1111_API_AUTH
diff --git a/backend/apps/rag/main.py b/backend/apps/rag/main.py
index 8b7cf2dab..bd181c5f7 100644
--- a/backend/apps/rag/main.py
+++ b/backend/apps/rag/main.py
@@ -1185,7 +1185,7 @@ def store_doc(
             f.close()
 
         f = open(file_path, "rb")
-        if collection_name == None:
+        if collection_name is None:
             collection_name = calculate_sha256(f)[:63]
         f.close()
 
@@ -1238,7 +1238,7 @@ def process_doc(
         f = open(file_path, "rb")
 
         collection_name = form_data.collection_name
-        if collection_name == None:
+        if collection_name is None:
             collection_name = calculate_sha256(f)[:63]
         f.close()
 
@@ -1296,7 +1296,7 @@ def store_text(
 ):
 
     collection_name = form_data.collection_name
-    if collection_name == None:
+    if collection_name is None:
         collection_name = calculate_sha256_string(form_data.content)
 
     result = store_text_in_vector_db(
@@ -1339,7 +1339,7 @@ def scan_docs_dir(user=Depends(get_admin_user)):
                         sanitized_filename = sanitize_filename(filename)
                         doc = Documents.get_doc_by_name(sanitized_filename)
 
-                        if doc == None:
+                        if doc is None:
                             doc = Documents.insert_new_doc(
                                 user.id,
                                 DocumentForm(
diff --git a/backend/apps/webui/models/tags.py b/backend/apps/webui/models/tags.py
index 58c0218ea..63a8cb4ca 100644
--- a/backend/apps/webui/models/tags.py
+++ b/backend/apps/webui/models/tags.py
@@ -109,7 +109,7 @@ class TagTable:
         self, user_id: str, form_data: ChatIdTagForm
     ) -> Optional[ChatIdTagModel]:
         tag = self.get_tag_by_name_and_user_id(form_data.tag_name, user_id)
-        if tag == None:
+        if tag is None:
             tag = self.insert_new_tag(form_data.tag_name, user_id)
 
         id = str(uuid.uuid4())
diff --git a/backend/apps/webui/routers/documents.py b/backend/apps/webui/routers/documents.py
index 2299b2fee..5043959c7 100644
--- a/backend/apps/webui/routers/documents.py
+++ b/backend/apps/webui/routers/documents.py
@@ -46,7 +46,7 @@ async def get_documents(user=Depends(get_verified_user)):
 @router.post("/create", response_model=Optional[DocumentResponse])
 async def create_new_doc(form_data: DocumentForm, user=Depends(get_admin_user)):
     doc = Documents.get_doc_by_name(form_data.name)
-    if doc == None:
+    if doc is None:
         doc = Documents.insert_new_doc(user.id, form_data)
 
         if doc:
diff --git a/backend/apps/webui/routers/functions.py b/backend/apps/webui/routers/functions.py
index 94238208b..3e7737c04 100644
--- a/backend/apps/webui/routers/functions.py
+++ b/backend/apps/webui/routers/functions.py
@@ -63,7 +63,7 @@ async def create_new_function(
     form_data.id = form_data.id.lower()
 
     function = Functions.get_function_by_id(form_data.id)
-    if function == None:
+    if function is None:
         function_path = os.path.join(FUNCTIONS_DIR, f"{form_data.id}.py")
         try:
             with open(function_path, "w") as function_file:
diff --git a/backend/apps/webui/routers/prompts.py b/backend/apps/webui/routers/prompts.py
index c674590e9..bdab6d556 100644
--- a/backend/apps/webui/routers/prompts.py
+++ b/backend/apps/webui/routers/prompts.py
@@ -31,7 +31,7 @@ async def get_prompts(user=Depends(get_verified_user)):
 @router.post("/create", response_model=Optional[PromptModel])
 async def create_new_prompt(form_data: PromptForm, user=Depends(get_admin_user)):
     prompt = Prompts.get_prompt_by_command(form_data.command)
-    if prompt == None:
+    if prompt is None:
         prompt = Prompts.insert_new_prompt(user.id, form_data)
 
         if prompt: