Fix missing icon in release package

Author: rbaltrusch

MANIFEST.in

@@ -2,4 +2,5 @@ include README.md
 include LICENSE
 include requirements.txt
 include bach_generator/py.typed
+include bach_generator/gui/media/icon.png
 recursive-exclude tests *

bach_generator/gui/components.py

@@ -8,6 +8,7 @@
 # pylint: disable=line-too-long
 
 import ctypes
+import os
 import sys
 import tkinter as tk
 from uuid import uuid4
@@ -42,6 +43,9 @@ def add_frames(self):
 
     def set_icon(self, icon_path):
         """Sets window icon, and taskbar icon (only on Windows)"""
+        if not os.path.isfile(icon_path):
+            return
+
         photo = tk.PhotoImage(file=icon_path)
         self.iconphoto(False, photo)
         self._set_taskbar_icon()

setup.py

@@ -8,15 +8,14 @@
 
 setuptools.setup(
     name="bach_generator",
-    version="1.0.0",
+    version="1.0.1",
     description="Machine learning based Bach music generator",
     long_description=project_dir.joinpath("README.md").read_text(encoding="utf-8"),
     long_description_content_type="text/markdown",
     keywords=["python"],
     author="Richard Baltrusch",
     url="https://github.com/rbaltrusch/bach_generator",
     packages=setuptools.find_packages("."),
-    package_dir={"": "."},
     python_requires=">=3.8",
     include_package_data=True,
     package_data={"bach_generator": ["py.typed"]},  # for mypy