Python 2.6环境下Netmiko导入失败问题求助

Hey there, let's break down why you're hitting this import error and how to fix it. First, let's recap your setup to make sure we're on the same page:

Your Environment & Error Details #

• Python version: 2.6.6 (r266:84292, Nov 21 2013, 10:50:32) [GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
• Commands run:

  >>> import multiprocessing
  >>> import netmiko
  

• Error traceback snippet:

  Traceback (most recent call last): File "", line 1, in File "netmiko/init.py", line 6...

Root Cause #

The core issue here is that Python 2.6.6 is extremely outdated—it's been end-of-life for over a decade, and Netmiko dropped support for Python 2.6 way back in its 2.x release series. Any modern Netmiko version you install will use syntax and dependencies that simply don't work with Python 2.6.

Solution Options #

1. Upgrade Python (Recommended)

This is the best long-term fix. Python 2 is no longer maintained, so upgrading to a supported Python 3 version (ideally Python 3.6 or newer—Netmiko 4.x+ supports 3.6-3.11) will:

• Fix the import error immediately
• Give you access to all the latest Netmiko features and security patches
• Eliminate future compatibility issues with other libraries

If you're on a RHEL/CentOS system, you can install a newer Python version via yum (using Software Collections) or build it from source.

2. Install an Older Netmiko Version (Only if You Can't Upgrade Python)

If you're stuck with Python 2.6 due to environment constraints, you'll need to install a legacy Netmiko version that still supports Python 2.6. The last Netmiko release compatible with Python 2.6 is Netmiko 1.4.3.

Run this command to install it:

pip install netmiko==1.4.3

⚠️ Important Note: This version is very old, hasn't been updated in years, and lacks critical security fixes and new device support. Use this only as a temporary workaround.

3. Verify Dependencies

When installing the legacy Netmiko version, ensure all dependent packages (like paramiko) are also compatible with Python 2.6. The pip command above should automatically pull in compatible versions, but if you hit further errors, you may need to specify older versions of dependencies manually (e.g., paramiko==2.1.2, which is the last version supporting Python 2.6).

内容的提问来源于stack exchange，提问作者Pavan