From GNU Radio
Revision as of 01:19, 24 January 2020 by Duggabe (talk | contribs) (add explanation)
Jump to navigation Jump to search

Module Not Found Error

These instructions apply to installations for and for

When you start gnuradio-companion, if you get this error message:


then put the following 'export' commands in your .bashrc or .bash_aliases file and restart your terminal.

Determine your installation prefix

If you don't know or remember your installation prefix, perform the following steps:

  1. on a terminal screen, enter gnuradio-config-info --prefix
  2. use that prefix in place of {prefix} in the following commands

Linux-based systems including OSX

- For ALL 32-bit systems and ALL Debian / Ubuntu (and derivative) systems, use:

export PYTHONPATH={prefix}/lib/python3/dist-packages:{prefix}/lib/python3/site-packages:$PYTHONPATH
export LD_LIBRARY_PATH={prefix}/lib:$LD_LIBRARY_PATH

- For other 64-bit systems, use:

export PYTHONPATH={prefix}/lib64/python3/site-packages:$PYTHONPATH
export LD_LIBRARY_PATH={prefix}/lib64:$LD_LIBRARY_PATH