All of a sudden code started throwing errors

[srinivasan]

Dear Python Experts

Could you please let me know why am I seeing the following errors as before
this it was working consistently?



root:~/qa/robot_tests# python3 -m robot --variable
SIGNAL_LEVEL_THRESHOLD:-60 wifi_testing.robot
==============================================================================
Wifi Testing :: This is the Maschine Native OS Build Wi-Fi Test.

==============================================================================
Initialize Wi-Fi Module                                               |
PASS |
------------------------------------------------------------------------------
Enable Wi-Fi Module                                                   |
PASS |
------------------------------------------------------------------------------
Connect Wi-Fi Module to SSID                                          |
PASS |
------------------------------------------------------------------------------
Check for Wi-Fi Connectivity                                          |
PASS |
------------------------------------------------------------------------------
Log Wi-Fi Module IP                                                   |
PASS |
------------------------------------------------------------------------------
Get Gateway IP and Check Whether Wi-Fi is Pingable                    |
PASS |
------------------------------------------------------------------------------
Check for Wi-Fi Signal Strength with Threshold                        |
FAIL |
'-68 >= -60' should be true.
------------------------------------------------------------------------------
Wifi Testing :: This is the Maschine Native OS Build Wi-Fi Test.      |
FAIL |
7 critical tests, 6 passed, 1 failed
7 tests total, 6 passed, 1 failed
==============================================================================
Output:  /home/root/qa/robot_tests/output.xml
Log:     /home/root/qa/robot_tests/log.html
Report:  /home/root/qa/robot_tests/report.html
root:~/qa/robot_tests# cat /proc/net/wireless
Inter-| sta-|   Quality        |   Discarded packets               | Missed
| WE
 face | tus | link level noise |  nwid  crypt   frag  retry   misc | beacon
| 22
wlp1s0: 0000   44.  -66.  -256        0      0      0      0      9        0



Errors:
=====


root:~/qa/robot_tests# python3 -m robot --variable
SIGNAL_LEVEL_THRESHOLD:-70 wifi_testing.robot
Traceback (most recent call last):
  File "/usr/lib/python3.5/runpy.py", line 183, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/lib/python3.5/runpy.py", line 142, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "/usr/lib/python3.5/runpy.py", line 109, in _get_module_details
    __import__(pkg_name)
  File "/usr/lib/python3.5/site-packages/robot/__init__.py", line 41, in
<module>
    from robot.rebot import rebot, rebot_cli
  File "/usr/lib/python3.5/site-packages/robot/rebot.py", line 40, in
<module>
    from robot.conf import RebotSettings
  File "/usr/lib/python3.5/site-packages/robot/conf/__init__.py", line 27,
in <module>
    from .settings import RobotSettings, RebotSettings
  File "/usr/lib/python3.5/site-packages/robot/conf/settings.py", line 33,
in <module>
    class _BaseSettings(object):
  File "/usr/lib/python3.5/site-packages/robot/conf/settings.py", line 46,
in _BaseSettings
    'OutputDir'        : ('outputdir', abspath('.')),
  File "/usr/lib/python3.5/site-packages/robot/utils/robotpath.py", line
84, in abspath
    return normpath(_abspath(path), case_normalize)
  File "/usr/lib/python3.5/posixpath.py", line 362, in abspath
    cwd = os.getcwd()
FileNotFoundError: [Errno 2] No such file or directory
root:~/qa/robot_tests# cat /proc/net/wireless
Inter-| sta-|   Quality        |   Discarded packets               | Missed
| WE
 face | tus | link level noise |  nwid  crypt   frag  retry   misc | beacon
| 22
wlp1s0: 0000   45.  -65.  -256        0      0      0      0     12        0
root:~/qa/robot_tests# python3 -m robot wifi_testing.robot

Traceback (most recent call last):
  File "/usr/lib/python3.5/runpy.py", line 183, in _run_module_as_main
    mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
  File "/usr/lib/python3.5/runpy.py", line 142, in _get_module_details
    return _get_module_details(pkg_main_name, error)
  File "/usr/lib/python3.5/runpy.py", line 109, in _get_module_details
    __import__(pkg_name)
  File "/usr/lib/python3.5/site-packages/robot/__init__.py", line 41, in
<module>
    from robot.rebot import rebot, rebot_cli
  File "/usr/lib/python3.5/site-packages/robot/rebot.py", line 40, in
<module>
    from robot.conf import RebotSettings
  File "/usr/lib/python3.5/site-packages/robot/conf/__init__.py", line 27,
in <module>
    from .settings import RobotSettings, RebotSettings
  File "/usr/lib/python3.5/site-packages/robot/conf/settings.py", line 33,
in <module>
    class _BaseSettings(object):
  File "/usr/lib/python3.5/site-packages/robot/conf/settings.py", line 46,
in _BaseSettings
    'OutputDir'        : ('outputdir', abspath('.')),
  File "/usr/lib/python3.5/site-packages/robot/utils/robotpath.py", line
84, in abspath
    return normpath(_abspath(path), case_normalize)
  File "/usr/lib/python3.5/posixpath.py", line 362, in abspath
    cwd = os.getcwd()
FileNotFoundError: [Errno 2] No such file or directory
root:~/qa/robot_tests#