ImportError: with error 'is not a package'

Question

In python 3 getting into ImportError issues. My project structure is like:

cts_sap_polaris/                                                                     
|-- etc                                                                              
|   |-- clean_cts_sap_polaris.yaml                                                   
|   |-- clean_env_variables.tcl                                                      
|   |-- cts_sap_polaris_ha_combined.yaml                                             
|   |-- cts_sap_polaris.yaml                                                         
|   `-- TCL_TESTBED_CONFIGS                                                          
|-- __init__.py                                                                      
|-- jobs
|   |-- __init__.py
|   |-- __pycache__
|   |   `-- run_cts_sap_polaris.cpython-34.pyc
|   `-- run_cts_sap_polaris.py
|-- lib
|   |-- cli_check.py
|   |-- cts_sap_polaris_utils.py
|   |-- __init__.py
|   |-- router_show_cts_cmd.py
|   |-- router_show_etherchannel_cmd.py
|   |-- router_show.py
|   |-- utils.py
|   |-- validate_show_output.py
|   `-- wait_for.py
|-- scripts
|   |-- cts_sap_polaris_ha_combined.py
|   |-- cts_sap_polaris.py
|   |-- __init__.py
|   `-- __pycache__
|       `-- cts_sap_polaris.cpython-34.pyc
`-- test
    |-- code_snippets
    |-- cts_interface.json
    |-- cts_interface_summary.json
    |-- etherchannel_port_channel.json
    |-- etherchannel_port.json
    |-- __init__.py
    |-- test_cts_sap_cli.py
    `-- test_router_show.py

In scripts/cts_sap_polaris.py I am trying an import

import cts_sap_polaris.lib.cli_check as cli_check

Which is throwing this error:

ImportError: No module named 'cts_sap_polaris.lib'; 'cts_sap_polaris' is not a package.

From what directory are you trying to run this script? From inside the scripts directory? You'll either need to run it from the same directory as you were in when you got the tree, or add that same directory to your PYTHONPATH. — jedwards, Jul 19 '16 at 09:50
Actually, you *would* need to do that, but in your case, the existence of the file named "cts_sap_polaris.py" *also* in the scripts directory will always be found first. It'll have to be renamed (or moved) as well. — jedwards, Jul 19 '16 at 09:56
@jedwards: fantastic! i was banging my head over this as I was facing the same issue. Changing the file name helped as you suggested in your second comment. If you don't mind i'm going to post this as the answer as I believe this will resolve the original problem as well. — jersey bean, Jul 10 '18 at 23:39

score 79 · Answer 1 · answered Jul 10 '18 at 23:41

79

Rename cts_sap_polaris.py to something else.

This name conflicts with the package name (which has the same name).

(credit goes to @jedwards on his comment)

answered Jul 10 '18 at 23:41

jersey bean

3,321
4
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in my case that was app/app.py – comalex3 Jan 29 '20 at 11:35
in my case /.py I wish that Python could detect when this is the case and just prevent it from the outset. – robmsmt Jul 11 '21 at 14:18
Why renaming works please even though it's lowercase? – Avv Apr 13 '22 at 16:27

score 1 · Answer 2 · edited Feb 07 '20 at 12:49

1

From what i understand, python only searches the current directory and sys.path. So you can add to the python path at run time. A similar question has been answered here

I would suggest you to try this ..

# scripts/cts_sap_polaris.py
# Add additional path to current sys path
import sys
sys.path.insert(0,'/path/to/cts_sap_polaris/lib')
import cli_check

Let me know if it works.

edited Feb 07 '20 at 12:49

Guillaume Jacquenot

11,217
6
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answered Jul 19 '16 at 10:18

nagaraj bhat

124
2
5

ImportError: with error 'is not a package'

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