diff --git a/qspectrumanalyzer/__main__.py b/qspectrumanalyzer/__main__.py
index 638951f..d651b37 100644
--- a/qspectrumanalyzer/__main__.py
+++ b/qspectrumanalyzer/__main__.py
@@ -2,7 +2,7 @@
 
 import sys, os, signal, time, argparse
 
-from Qt import QtCore, QtGui, QtWidgets, __binding__
+from Qt import QtCore, QtGui, QtWidgets
 
 from qspectrumanalyzer import backends
 from qspectrumanalyzer.version import __version__
@@ -621,7 +621,7 @@ def main():
     global debug
 
     # Parse command line arguments
-    parser= argparse.ArgumentParser(
+    parser = argparse.ArgumentParser(
         prog="qspectrumanalyzer",
         description="Spectrum analyzer for multiple SDR platforms",
     )
diff --git a/qspectrumanalyzer/windows.py b/qspectrumanalyzer/windows.py
index 3ce9637..adf6d12 100644
--- a/qspectrumanalyzer/windows.py
+++ b/qspectrumanalyzer/windows.py
@@ -24,6 +24,7 @@ IsWindowVisible = windll.user32.IsWindowVisible
 # interpreter procss, 0 if there is no window
 console_window_handle = GetConsoleWindow()
 
+
 def set_attached_console_visible(state):
     """Show/hide system console window attached to current process.
        Return it's previous state.
@@ -32,10 +33,12 @@ def set_attached_console_visible(state):
     flag = {True: SW_SHOW, False: SW_HIDE}
     return bool(ShowWindow(console_window_handle, flag[state]))
 
+
 def is_attached_console_visible():
     """Return True if attached console window is visible"""
     return IsWindowVisible(console_window_handle)
 
+
 def set_windows_appusermodelid():
     """Make sure correct icon is used on Windows 7 taskbar"""
     try:
diff --git a/setup.py b/setup.py
index 2cac7d7..d0dd34b 100755
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python
 
-import sys
-
 import setuptools
 from setuptools import setup