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Fix for iwlist blank wifi list #117

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Fix for iwlist blank wifi list #117

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2 changes: 1 addition & 1 deletion wifi/scan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ def all(cls, interface):
Returns a list of all cells extracted from the output of iwlist.
"""
try:
iwlist_scan = subprocess.check_output(['/sbin/iwlist', interface, 'scan'],
iwlist_scan = subprocess.check_output(['sudo', '/sbin/iwlist', interface, 'scan'],
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
raise InterfaceError(e.output.strip())
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