diff --git a/device/Pipfile b/device/Pipfile
index bcd4fe2..57a4256 100644
--- a/device/Pipfile
+++ b/device/Pipfile
@@ -35,7 +35,6 @@ gpiozero = "~=2.0"
 netifaces = "~=0.11.0"
 click = "~=8.1.3"
 psutil = "~=5.9.4"
-psutil = "~=5.9.4"
 pika = "~=1.3"
 celery = "~=5.3"
 multiprocessing-logging = "~=0.3.3"
diff --git a/device/fd_device/network/wifi.py b/device/fd_device/network/wifi.py
index abc7832..3c92273 100755
--- a/device/fd_device/network/wifi.py
+++ b/device/fd_device/network/wifi.py
@@ -107,7 +107,7 @@ def scan_wifi(interface=None) -> List:
 
 
 def add_wifi_network(
-    wifi_name: str, wifi_password: str, interface: Interface | None = None
+    wifi_name: str, wifi_password: str, interface: Optional[Interface] = None
 ) -> Optional[Wifi]:
     """Add a wifi entry to the database of stored WiFi networks.