Traceback (most recent call last):


 "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'Env'
Traceback (most recent call last):


 "site-packages\calibre\gui2\device.py", line 201, in do_connect


 "site-packages\calibre\devices\usbms\device.py", line 821, in open


 "site-packages\calibre\devices\usbms\device.py", line 275, in open_windows
DeviceError: Unable to detect any disk drives for the device: Android phone. Try rebooting
