Update pre-commit hooks versions

Change-Id: If881f3c8e8b4b3c67226fb60957ce12da70dbfc8

.pre-commit-config.yaml

@@ -2,7 +2,7 @@
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks.git
-    rev: v3.1.0
+    rev: v3.4.0
     hooks:
       - id: check-added-large-files
       - id: check-byte-order-marker
@@ -19,14 +19,14 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://gitlab.com/pycqa/flake8.git
-    rev: '3.8.3'  # pick a git hash / tag to point to
+    rev: '3.8.4'  # pick a git hash / tag to point to
     hooks:
       - id: flake8
         additional_dependencies: [flake8-import-order]
         files: ^tobiko/
 
   - repo: https://github.com/pre-commit/mirrors-mypy.git
-    rev: 'v0.782'
+    rev: 'v0.812'
     hooks:
       - id: mypy
         files: ^tobiko/

tobiko/shell/sh/_ssh.py

@@ -17,6 +17,7 @@ from __future__ import absolute_import
 
 from oslo_log import log
 import paramiko
+from paramiko import channel
 
 import tobiko
 from tobiko.shell.sh import _exception
@@ -183,7 +184,7 @@ class SSHShellProcessFixture(_process.ShellProcessFixture):
                           self.command)
 
 
-class SSHChannelFile(paramiko.ChannelFile):
+class SSHChannelFile(channel.ChannelFile):
 
     def fileno(self):
         return self.channel.fileno()