Revert build back to setup.py

Author: tleonhardt

tasks.py

@@ -99,6 +99,8 @@ def mypy(context):
     """Run mypy optional static type checker"""
     with context.cd(TASK_ROOT_STR):
         context.run("mypy cmd2")
+    with context.cd(str(TASK_ROOT / 'examples')):
+        context.run("mypy decorator_example.py")
 
 
 namespace.add_task(mypy)
@@ -308,7 +310,7 @@ def validatetag(context):
 def sdist(context):
     """Create a source distribution"""
     with context.cd(TASK_ROOT_STR):
-        context.run('python -m build --sdist')
+        context.run('python setup.py sdist')
 
 
 namespace.add_task(sdist)
@@ -318,7 +320,7 @@ def sdist(context):
 def wheel(context):
     """Build a wheel distribution"""
     with context.cd(TASK_ROOT_STR):
-        context.run('python -m build')
+        context.run('python setup.py bdist_wheel')
 
 
 namespace.add_task(wheel)
@@ -366,12 +368,12 @@ def format(context):
 namespace.add_task(format)
 
 
-# Black and isort auto-formatting
+# Ruff fast auto-formatter and linter
 @invoke.task()
 def ruff(context):
     """Run ruff auto-formatter and linter"""
     with context.cd(TASK_ROOT_STR):
         context.run("ruff check")
 
 
-namespace.add_task(ruff)
+namespace.add_task(ruff)