Fix encode() import in PyInstaller integration

Fix #1031

Author: FeodorFitsner

sdk/python/packages/flet/src/flet/__pyinstaller/win_utils.py

@@ -8,7 +8,13 @@
 from PyInstaller.building.icon import normalize_icon_type
 from PyInstaller.compat import win32api
 from PyInstaller.utils.win32.icon import IconFile, normalize_icon_type
-from PyInstaller.utils.win32.versioninfo import decode
+
+try:
+    # PyInstaller 5.7.0
+    from PyInstaller.utils.win32.versioninfo import decode
+except ImportError:
+    # PyInstaller 5.8.0
+    from PyInstaller.utils.misc import decode
 
 
 def update_flet_view_icon(exe_path, icon_path):

sdk/python/pyproject.toml

@@ -15,7 +15,7 @@ pytest = "^7.2.0"
 black = "^22.12.0"
 tomlkit = "^0.11.6"
 cryptography = "^39.0.0"
-pyinstaller = "^5.7.0"
+pyinstaller = "^5.8.0"
 pillow = "^9.4.0"
 pre-commit = "^2.21.0"