fix build

TetrArcade.py

@@ -11,9 +11,9 @@ except ImportError:
 
 try:
     import arcade
-except ImportError:
-    sys.exit(
-        """This game require arcade library.
+except ImportError as e:
+    sys.exit(str(e) + """
+This game require arcade library.
 You can install it with:
 python -m pip install --user arcade"""
     )

setup.py

@@ -21,7 +21,7 @@ setup(
     )],
     options={
         "build_exe": {
-            "packages": ["arcade"],
+            "packages": ["arcade", "pyglet"],
             "excludes": ["tkinter"],
             "include_files": "res",
             "silent": True