Add `stackscope` as dep, drop legacy `pdb` issue cruft

setup.py

@@ -26,7 +26,7 @@ with open('docs/README.rst', encoding='utf-8') as f:
 setup(
     name="tractor",
     version='0.1.0a6dev0',  # alpha zone
-    description='structured concurrrent `trio`-"actors"',
+    description='structured concurrent `trio`-"actors"',
     long_description=readme,
     license='AGPLv3',
     author='Tyler Goodlet',
@@ -50,6 +50,7 @@ setup(
         'exceptiongroup',
 
         # tooling
+        'stackscope',
         'tricycle',
         'trio_typing',
         'colorlog',
@@ -61,16 +62,15 @@ setup(
         # debug mode REPL
         'pdbp',
 
+        # TODO: distributed transport using
+        # linux kernel networking
+        # 'pyroute2',
+
         # pip ref docs on these specs:
         # https://pip.pypa.io/en/stable/reference/requirement-specifiers/#examples
         # and pep:
         # https://peps.python.org/pep-0440/#version-specifiers
 
-        # windows deps workaround for ``pdbpp``
-        # https://github.com/pdbpp/pdbpp/issues/498
-        # https://github.com/pdbpp/fancycompleter/issues/37
-        'pyreadline3 ; platform_system == "Windows"',
-
     ],
     tests_require=['pytest'],
     python_requires=">=3.10",