[PATCH] examples: rework imports

[yegorslists at googlemail.com]

From: Yegor Yefremov <yegorslists at googlemail.com>

Remove unused imports and fix import sorting using isort utility.
---
 examples/modem-watcher-python/ModemWatcher.py      | 6 +++---
 examples/modem-watcher-python/modem-watcher-python | 6 ++++--
 examples/network-scan-python/network-scan-python   | 6 ++++--
 examples/sms-python/sms-python                     | 6 ++++--
 4 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/examples/modem-watcher-python/ModemWatcher.py b/examples/modem-watcher-python/ModemWatcher.py
index a18725b1..8091d9f3 100644
--- a/examples/modem-watcher-python/ModemWatcher.py
+++ b/examples/modem-watcher-python/ModemWatcher.py
@@ -18,10 +18,10 @@
 # Copyright (C) 2014 Aleksander Morgado <aleksander at aleksander.es>
 #
 
-import os, sys, gi
-
+import gi
 gi.require_version('ModemManager', '1.0')
-from gi.repository import GLib, GObject, Gio, ModemManager
+from gi.repository import Gio, GLib, GObject, ModemManager
+
 
 """
 The ModemWatcher class is responsible for monitoring ModemManager
diff --git a/examples/modem-watcher-python/modem-watcher-python b/examples/modem-watcher-python/modem-watcher-python
index 40998588..4884beef 100755
--- a/examples/modem-watcher-python/modem-watcher-python
+++ b/examples/modem-watcher-python/modem-watcher-python
@@ -18,10 +18,12 @@
 # Copyright (C) 2014 Aleksander Morgado <aleksander at aleksander.es>
 #
 
-import sys, signal
-import ModemWatcher
+import signal
+
 from gi.repository import GLib
 
+import ModemWatcher
+
 main_loop = None
 watcher = None
 
diff --git a/examples/network-scan-python/network-scan-python b/examples/network-scan-python/network-scan-python
index ad377091..51b8077c 100755
--- a/examples/network-scan-python/network-scan-python
+++ b/examples/network-scan-python/network-scan-python
@@ -18,10 +18,12 @@
 # Copyright (C) 2019 Aleksander Morgado <aleksander at aleksander.es>
 #
 
-import sys, signal, gi
+import sys
 
+import gi
 gi.require_version('ModemManager', '1.0')
-from gi.repository import GLib, GObject, Gio, ModemManager
+from gi.repository import Gio, GLib, GObject, ModemManager
+
 
 if __name__ == "__main__":
 
diff --git a/examples/sms-python/sms-python b/examples/sms-python/sms-python
index 2d572f18..569db376 100755
--- a/examples/sms-python/sms-python
+++ b/examples/sms-python/sms-python
@@ -18,10 +18,12 @@
 # Copyright (C) 2016 Aleksander Morgado <aleksander at aleksander.es>
 #
 
-import sys, signal, gi
+import sys
 
+import gi
 gi.require_version('ModemManager', '1.0')
-from gi.repository import GLib, GObject, Gio, ModemManager
+from gi.repository import Gio, GLib, GObject, ModemManager
+
 
 if __name__ == "__main__":
 
-- 
2.17.0