refactor: update import statements in run.py (langflow-ai#2876)

* refactor: update import statements in create_assistant.py

Refactor the import statements in the create_assistant.py file to improve readability and maintainability. Update the import order and add type hints for better code organization. This change ensures consistency with the recent repository commits and follows established conventions.

* refactor: update import statements in create_thread.py

Refactor the import statements in the create_thread.py file to improve readability and maintainability. Update the import order and add type hints for better code organization. This change ensures consistency with the recent repository commits and follows established conventions.

* refactor: improve dotenv component

Refactor the dotenv component to improve code organization and error handling. Update the import statements and add type hints for better readability and maintainability. This change ensures consistency with recent repository commits and follows established conventions.

* refactor: update import statements in get_assistant.py

Refactor the import statements in the get_assistant.py file to improve readability and maintainability. Update the import order and add type hints for better code organization. This change ensures consistency with the recent repository commits and follows established conventions.

* refactor: update import statements in list_assistants.py

Refactor the import statements in the list_assistants.py file to improve readability and maintainability. Update the import order and add type hints for better code organization. This change ensures consistency with the recent repository commits and follows established conventions.

* refactor: update import statements in run.py

Refactor the import statements in the run.py file to improve readability and maintainability. Update the import order and add type hints for better code organization. This change ensures consistency with the recent repository commits and follows established conventions.

src/backend/base/langflow/components/astra_assistants/create_assistant.py

@@ -1,6 +1,9 @@
-from langflow.custom import CustomComponent
+from typing import Optional
+
+from astra_assistants import patch  # type: ignore
 from openai import OpenAI
-from astra_assistants import patch
+
+from langflow.custom import CustomComponent
 
 
 class AssistantsCreateAssistant(CustomComponent):
@@ -35,8 +38,7 @@ def build_config(self):
             },
         }
 
-    def build(self, name: str, instructions: str, model: str, env_set: str = None) -> str:
-        print(f"env_set is {env_set}")
+    def build(self, name: str, instructions: str, model: str, env_set: Optional[str] = None) -> str:
         if env_set is None:
             raise Exception("Environment variables not set")
         client = patch(OpenAI())

src/backend/base/langflow/components/astra_assistants/create_thread.py

@@ -1,6 +1,9 @@
-from langflow.custom import CustomComponent
+from typing import Optional
+
+from astra_assistants import patch  # type: ignore
 from openai import OpenAI
-from astra_assistants import patch
+
+from langflow.custom import CustomComponent
 
 
 class AssistantsCreateThread(CustomComponent):
@@ -16,7 +19,7 @@ def build_config(self):
             },
         }
 
-    def build(self, env_set: str = None) -> str:
+    def build(self, env_set: Optional[str] = None) -> str:
         client = patch(OpenAI())
 
         thread = client.beta.threads.create()

src/backend/base/langflow/components/astra_assistants/dotenv.py

@@ -1,5 +1,7 @@
 import io
+
 from dotenv import load_dotenv
+
 from langflow.custom import CustomComponent
 
 
@@ -23,6 +25,6 @@ def build(self, dotenv_file_content: str) -> str:
         try:
             fake_file = io.StringIO(dotenv_file_content)
             result = load_dotenv(stream=fake_file, override=True)
-            return result
+            return "Loaded .env" if result else "No variables found in .env"
         except Exception as e:
             raise e

src/backend/base/langflow/components/astra_assistants/get_assistant.py

@@ -1,6 +1,8 @@
-from langflow.custom import CustomComponent
+from typing import Optional
+from astra_assistants import patch  # type: ignore
 from openai import OpenAI
-from astra_assistants import patch
+
+from langflow.custom import CustomComponent
 
 
 class AssistantsGetAssistantName(CustomComponent):
@@ -20,7 +22,7 @@ def build_config(self):
             },
         }
 
-    def build(self, assistant_id: str, env_set: str = None) -> str:
+    def build(self, assistant_id: str, env_set: Optional[str] = None) -> str:
         client = patch(OpenAI())
         assistant = client.beta.assistants.retrieve(
             assistant_id=assistant_id,

src/backend/base/langflow/components/astra_assistants/list_assistants.py

@@ -1,7 +1,9 @@
 from typing import List
-from langflow.custom import CustomComponent
+
+from astra_assistants import patch  # type: ignore
 from openai import OpenAI
-from astra_assistants import patch
+
+from langflow.custom import CustomComponent
 
 
 class AssistantsListAssistants(CustomComponent):

src/backend/base/langflow/components/astra_assistants/run.py

@@ -1,7 +1,9 @@
-from langflow.custom import CustomComponent
+from typing import Optional
+from astra_assistants import patch  # type: ignore
 from openai import OpenAI
 from openai.lib.streaming import AssistantEventHandler
-from astra_assistants import patch
+
+from langflow.custom import CustomComponent
 
 
 class AssistantsRun(CustomComponent):
@@ -35,7 +37,9 @@ def build_config(self):
             },
         }
 
-    def build(self, assistant_id: str, user_message: str, thread_id: str = None, env_set: str = None) -> str:
+    def build(
+        self, assistant_id: str, user_message: str, thread_id: Optional[str] = None, env_set: Optional[str] = None
+    ) -> str:
         text = ""
         client = patch(OpenAI())