fix lint errors

gateway/api/ray.py

@@ -87,28 +87,27 @@ def submit(self, job: Job) -> Optional[str]:
             except KeyError:
                 pass
 
-            f = open(extract_folder + "/launcher.py", "w")
-            f.write(
-                '''
+            with open(extract_folder + "/launcher.py", "w", encoding="utf-8") as f:
+                f.write(
+                    """
 import subprocess
 from subprocess import Popen
 import sys
 from quantum_serverless import set_status
 with Popen(
-    ["python", sys.argv[1]],
+    ['python', sys.argv[1]],
     stdout=subprocess.PIPE,
     stderr=subprocess.PIPE,
     universal_newlines=True,
 ) as pipe:
-    status = "SUCCEEDED"
+    status = 'SUCCEEDED'
     if pipe.wait():
-        status = "FAILED"
+        status = 'FAILED'
     output, _ = pipe.communicate()
     print(output)
     set_status(status)
-                '''
-            )
-            f.close()
+                """
+                )
 
             ray_job_id = retry_function(
                 callback=lambda: self.client.submit_job(

gateway/api/views.py

@@ -181,7 +181,6 @@ def run(self, request):
                 status=Job.QUEUED,
                 config=jobconfig,
             )
-            job.save()
 
             carrier = {}
             TraceContextTextMapPropagator().inject(carrier)

gateway/main/signals.py

@@ -1,3 +1,4 @@
+"""Model signal processing."""
 from django.db.models.signals import post_save
 from django.dispatch import receiver
 from api.models import Job
@@ -6,7 +7,8 @@
 
 
 @receiver(post_save, sender=Job)
-def save_job(sender, instance, created, **kwargs):
+def save_job(sender, instance, created, **kwargs):  # pylint: disable=unused-argument
+    """procss save Job model entry event."""
     print("save_job")
     print(instance)
     print("Free")

gateway/main/urls.py

@@ -19,11 +19,12 @@
 from django.urls import path, include, re_path
 from django.views.generic import TemplateView
 from rest_framework import routers
-from .signals import save_job
-
 from api.views import KeycloakLogin, KeycloakUsersView
 import probes.views
 
+from .signals import save_job  # pylint: disable=unused-import
+
+
 router = routers.DefaultRouter()