Expected Behavior

Better control over GAIN for LimeSDR device (not mini).
Please use example of the SDR Console Gain Control.

Actual Behavior

Signal really weak on the low frequencies even if GAIN is maximized.

Steps To Reproduce

1. Go to URH
2. Click on Spectrum Analyzer
3. Refresh device, select sampling rate to 2.5M and Gain to above middle point (also tested maxim

unicode_literals was necessary pre-Python 2.6; absolute_import pre-2.5.

It's especially not necessary on Py3.

Hence in the sence of cleaning up the source tree, deletion of all from __future__ import something from the python files is desirable. This should ideally not happen manually, but with a script, or command line: we need to do that on master, but it might also be desirable to

Whenever we long press on the tile ( notification panel > share files) it takes to the app settings ( system settings).
I think it would be more useful if it take us to the app itself.
Hope you understood and thank you for the app!

Fix statement condition on "Install custom OpenWISP 2 Python packages" task in pip.yml:

TASK [openwisp.openwisp2 : Install custom OpenWISP 2 Python packages] **********
[DEPRECATION WARNING]: evaluating 'openwisp2_python_packages' as a bare 
variable, this behaviour will go away and you might need to add |bool to the 
expression in the future. Also see CONDITIONAL_BARE_VARS configur

Former title: lastRequest and lastResponse in HttpClient should be volatile

Version:

7.22.0

Code Snippet

HttpClient.java

private Response lastResponse;  // missing volatile
private Request lastRequest;  // missing volatile

Steps to Reproduce

The lastRequest and lastResponse members in HttpClient should be volatile because the class is indirectly used as a

• generate an SSH key
• create credentials using SSH key, flag them as auto add
• create a configuration template to deploy the public key to the dropbear authorized keys, flag it as default

Related to openwisp/ansible-openwisp2#200.