old_contents: from datetime import datetime
  
  import jwt
  
  
  class JWTManager(object):
      """
          Handles the JWT token generation and encryption.
      """
  
      def __init__(self, secret, expire_time):
          """expire_time is a timedelta
             secret is a string with the secret encoding key"""
          self.secret = secret
          self.expire_time = expire_time
  
      def get_token_for(self, profile_fields=None):
          """Generates a token with the provided fields.
          if exp is True, expiration time will be used"""
          profile_fields = profile_fields or {}
  
          if self.expire_time:
              profile_fields["exp"] = datetime.utcnow() + self.expire_time
  
          return jwt.encode(profile_fields, self.secret)
  
      def get_profile(self, token):
          """Gets the user from credentials object. None if no credentials.
          Can raise jwt.ExpiredSignature and jwt.DecodeError"""
          profile = jwt.decode(token, self.secret)
          return profile
  
new_contents: from datetime import datetime
  
  import jwt
  
  
  class JWTManager(object):
      """
          Handles the JWT token generation and encryption.
      """
  
      def __init__(self, secret, expire_time):
          """expire_time is a timedelta
             secret is a string with the secret encoding key"""
          self.secret = secret
          self.expire_time = expire_time
  
      def get_token_for(self, profile_fields=None):
          """Generates a token with the provided fields.
          if exp is True, expiration time will be used"""
          profile_fields = profile_fields or {}
  
          if self.expire_time:
              profile_fields["exp"] = datetime.utcnow() + self.expire_time
  
          return jwt.encode(profile_fields, self.secret, algorithm="HS256")
  
      def get_profile(self, token):
          """Gets the user from credentials object. None if no credentials.
          Can raise jwt.ExpiredSignature and jwt.DecodeError"""
          profile = jwt.decode(token, self.secret, algorithms=["HS256"])
          return profile
  
subject: remove PyJWT deprecation warning by adding algorithms (#8267)