Fix black

Author: pvizeli

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7
+FROM mcr.microsoft.com/vscode/devcontainers/python:0-3.8
 
 WORKDIR /workspaces
 

.devcontainer/devcontainer.json

@@ -7,15 +7,16 @@
   "runArgs": ["-e", "GIT_EDITOR=code --wait"],
   "extensions": [
     "ms-python.python",
+    "ms-python.vscode-pylance",
     "ms-azure-devops.azure-pipelines",
     "esbenp.prettier-vscode"
   ],
   "settings": {
-    "python.pythonPath": "/usr/local/bin/python",
+    "python.pythonPath": "/usr/local/bin/python3",
     "python.linting.pylintEnabled": true,
     "python.linting.enabled": true,
     "python.formatting.provider": "black",
-    "python.formatting.blackArgs": ["--target-version", "py36"],
+    "python.formatting.blackArgs": ["--target-version", "py38"],
     "editor.formatOnPaste": false,
     "editor.formatOnSave": true,
     "editor.formatOnType": true,

pycognito/__init__.py

@@ -364,7 +364,8 @@ def admin_confirm_sign_up(self, username=None):
         if not username:
             username = self.username
         self.client.admin_confirm_sign_up(
-            UserPoolId=self.user_pool_id, Username=username,
+            UserPoolId=self.user_pool_id,
+            Username=username,
         )
 
     def confirm_sign_up(self, confirmation_code, username=None):