diff --git a/backend/api_app/smartcontract/models.py b/backend/api_app/smartcontract/models.py
index 975de6d..6bcc1f3 100644
--- a/backend/api_app/smartcontract/models.py
+++ b/backend/api_app/smartcontract/models.py
@@ -13,7 +13,6 @@ class Chain(models.TextChoices):
     ARB = "ARB", "arb"
 
 
-
 class Network(models.TextChoices):
     # eth network choices
     MAINNET = "MAINNET", "mainnet"
diff --git a/backend/authentication/views.py b/backend/authentication/views.py
index ebe49cd..837f5cd 100644
--- a/backend/authentication/views.py
+++ b/backend/authentication/views.py
@@ -174,7 +174,7 @@ def github_login(request):
 
     if settings.DEMO_INSTANCE:
         redirect_uri = redirect_uri.replace("http://", "https://")
-        redirect_uri = "https://demo.thirdeyelabs.xyz/api/v1v/authentication/github-callback"
+        redirect_uri = "https://demo.thirdeyelabs.xyz/api/v1/authentication/github-callback"
 
     try:
         return oauth.github.authorize_redirect(request, redirect_uri)
diff --git a/backend/backend/settings.py b/backend/backend/settings.py
index 031bce9..41806cd 100644
--- a/backend/backend/settings.py
+++ b/backend/backend/settings.py
@@ -35,7 +35,7 @@
     },
     "arb": {
         "mainnet": ARBITRUM_RPC_URL,
-    }
+    },
 }
 
 ETH_NETWORK_IDS = {