Error in wifi-heatmap - AttributeError - _image_path

[jantman]

Bug Report

Version

Pre-release 5173a85

Installation Method

Docker - jantman/python-wifi-survey-heatmap:5173a85

Supporting Software Versions

Docker - jantman/python-wifi-survey-heatmap:5173a85

Actual Output

wifi-heatmap -p DM_floorplan_1681x910.png foo
Traceback (most recent call last):
  File "/usr/local/bin/wifi-heatmap", line 11, in <module>
    load_entry_point('wifi-survey-heatmap', 'console_scripts', 'wifi-heatmap')()
  File "/app/wifi_survey_heatmap/heatmap.py", line 546, in main
    ignore_ssids=args.ignore, aps=args.aps, thresholds=args.thresholds
  File "/app/wifi_survey_heatmap/heatmap.py", line 259, in generate
    self._load_image()
  File "/app/wifi_survey_heatmap/heatmap.py", line 246, in _load_image
    self._layout = imread(self._image_path)
AttributeError: 'HeatMapGenerator' object has no attribute '_image_path'

Expected Output

Expected that the output images would be generated