Use NULL for non-existant passwords

app/blueprints/github/__init__.py

@@ -73,7 +73,7 @@ def callback(oauth_token):
 			flash("Unable to find an account for that Github user", "danger")
 			return redirect(url_for("users.claim"))
 		elif loginUser(userByGithub):
-			if not current_user.hasPassword():
+			if not current_user.password:
 				return redirect(next_url or url_for("users.set_password", optional=True))
 			else:
 				return redirect(next_url or url_for("homepage.home"))

app/blueprints/users/account.py

@@ -143,7 +143,7 @@ def change_password():
 @bp.route("/user/set-password/", methods=["GET", "POST"])
 @login_required
 def set_password():
-	if current_user.hasPassword():
+	if current_user.password:
 		return redirect(url_for("users.change_password"))
 
 	form = SetPasswordForm(request.form)