examples/python: fix "import gi" in example

Otherwise there is a warning:

  from gi.repository import GLib, NM
  __main__:1: PyGIWarning: NM was imported without specifying a version first. Use gi.require_version(NM, 1.0) before import to ensure that the right version gets loaded.

1 files changed, 2 insertions, 0 deletions

diff --git a/examples/python/gi/get-devices.py b/examples/python/gi/get-devices.py
index 5a387bd2d..4f06c870a 100755
--- a/examples/python/gi/get-devices.py
+++ b/examples/python/gi/get-devices.py
@@ -21,6 +21,8 @@
 
 # This example lists all devices, both real and placeholder ones
 
+import gi
+gi.require_version('NM', '1.0')
 from gi.repository import GLib, NM
 
 if __name__ == "__main__":