Add typing in minioadmin.py

Signed-off-by: Bala.FA <bala@minio.io>

minio/crypto.py

@@ -24,7 +24,7 @@
 from Crypto.Cipher import AES, ChaCha20_Poly1305
 from Crypto.Cipher._mode_gcm import GcmMode
 from Crypto.Cipher.ChaCha20_Poly1305 import ChaCha20Poly1305Cipher
-from urllib3 import HTTPResponse
+from urllib3.response import BaseHTTPResponse
 
 #
 # Encrypted Message Format:
@@ -138,7 +138,7 @@ class DecryptReader:
  APIs.
  """
 
- def __init__(self, response: HTTPResponse, secret: bytes):
+ def __init__(self, response: BaseHTTPResponse, secret: bytes):
  self._response = response
  self._secret = secret
  self._payload = None
@@ -156,6 +156,7 @@ def __init__(self, response: HTTPResponse, secret: bytes):
  )
  self._chunk = b""
  self._count = 0
+ self._is_closed = False
 
  def __enter__(self):
  return self
@@ -193,13 +194,14 @@ def _decrypt(self, payload: bytes, last_chunk: bool = False) -> bytes:
 
  def _read_chunk(self) -> bool:
  """Read a chunk at least one byte more than chunk size."""
- if self._response.isclosed():
+ if self._is_closed:
  return True
 
  while len(self._chunk) != (1 + _MAX_CHUNK_SIZE):
  chunk = self._response.read(1 + _MAX_CHUNK_SIZE - len(self._chunk))
  self._chunk += chunk
  if len(chunk) == 0:
+ self._is_closed = True
  return True
 
  return False
@@ -235,7 +237,7 @@ def stream(self, num_bytes=32*1024):
  break
 
 
-def decrypt(response: HTTPResponse, secret_key: str) -> bytes:
+def decrypt(response: BaseHTTPResponse, secret_key: str) -> bytes:
  """Decrypt response data."""
  result = b""
  with DecryptReader(response, secret_key.encode()) as reader: