Add site=None check

[berrysauce]

# add site key to widget code
site = sitesdb.get(key)
if site is False:
    raise HTTPException(status_code=404, detail="Site key not found")

# vvv ERROR APPEARED HERE vvv
if site["locked"] is True:
    raise HTTPException(status_code=401, detail="This account was locked. Contact support for further details.")
    
with open("tools/widget.js", "r") as f:
    widget = str(f.read())
    widget = widget.replace("[webkey]", key)