Fix: entrypoint in pyproject.toml and typing 3.11 issues

src/workflowpy/_typing.py

@@ -1,4 +1,5 @@
 import json
+import sys
 from datetime import datetime
 from pathlib import Path
 from typing import Dict, List, Tuple, Union
@@ -109,6 +110,18 @@ class filedirpath(Path):
     ...
 
 
+class outputdirpath(Path):
+    """Subclass Path to indicate Param is used as root for output locations."""
+
+    ...
+
+
+# Python 3.11 compat
+if sys.version_info[0] == 3 and sys.version_info[1] <= 11:
+    setattr(filedirpath, "_flavour", type(Path())._flavour)
+    setattr(outputdirpath, "_flavour", type(Path())._flavour)
+
+
 def filedir_validator(x: Path) -> filedirpath:
     """Promote Path to filedirpath type."""
     return filedirpath(x)
@@ -117,12 +130,6 @@ def filedir_validator(x: Path) -> filedirpath:
 FileDirPath = Annotated[Path, AfterValidator(filedir_validator)]
 
 
-class outputdirpath(Path):
-    """Subclass Path to indicate Param is used as root for output locations."""
-
-    ...
-
-
 def outputdirpath_validator(x: Path) -> outputdirpath:
     """Promote Path to outputdirpath."""
     return outputdirpath(x)

src/workflowpy/workflow/entrypoints.py

@@ -9,7 +9,7 @@
 
 __all__ = ["METHODS"]
 
-__eps__ = {}
+__eps__ = {}  # This is more or less pro forma
 
 
 class MethodEPS:
@@ -19,7 +19,7 @@ class MethodEPS:
     load local methods lazily. Methods are loaded by name or class name.
     """
 
-    group: ClassVar[str] = ""
+    group: ClassVar[str] = "workflowpy"
 
     def __init__(self, eps: Optional[Dict[str, Union[str, EntryPoint]]] = None) -> None:
         """Initialize."""