Update keyring code to work with nuitka3

plchat.py

@@ -25,12 +25,25 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ################################################################################
+import platform, keyring
+os = platform.system()
+if os == "Windows":
+    import keyring.backends.Windows
+    keyring.set_keyring(keyring.backends.Windows.WinVaultKeyring())
+elif os == "Darwin":
+    import keyring.backends.OS_X
+    keyring.set_keyring(keyring.backends.OS_X.Keyring())
+else:
+    # Probably linux or BSD so we'll just go for it
+    import keyring.backends.SecretService
+    keyring.set_keyring(keyring.backends.SecretService.Keyring())
+
+
 from qtpy.QtGui import *
 from qtpy.QtCore import *
 from qtpy.QtWidgets import *
 from notifypy import Notify
-import sys, keyring, threading, queue, asyncio, urllib, appdirs, os, time, pleroma, re, magic, monkeypatch, requests, misc, json, timeconvert, videowidget, audiowidget
-
+import sys, threading, queue, asyncio, urllib, appdirs, os, time, pleroma, re, magic, monkeypatch, requests, misc, json, timeconvert, videowidget, audiowidget
 CACHE = appdirs.AppDirs('plchat', 'plchat').user_cache_dir
 APPDATA = appdirs.AppDirs('plchat', 'plchat').user_data_dir
 THREADS = {}