fix: dynamo.common import failing on non-editable installs (#3478)

Signed-off-by: William Arnold <7565007+Aphoh@users.noreply.github.com>

components/src/dynamo/common/__init__.py

@@ -12,6 +12,15 @@ Main submodules:
 """
 
 from dynamo.common import config_dump
-from dynamo.common._version import __version__
+
+try:
+    from ._version import __version__
+except Exception:
+    try:
+        from importlib.metadata import version as _pkg_version
+
+        __version__ = _pkg_version("ai-dynamo")
+    except Exception:
+        __version__ = "0.0.0+unknown"
 
 __all__ = ["__version__", "config_dump"]

components/src/dynamo/common/config_dump/config_dumper.py

@@ -211,6 +211,13 @@ def _preprocess_for_encode_set(
     return sorted(list(obj))
 
 
+@register_encoder(argparse.Namespace)
+def _preprocess_for_encode_namespace(
+    obj: argparse.Namespace,
+) -> dict:  # pyright: ignore[reportUnusedFunction]
+    return obj.__dict__
+
+
 @register_encoder(Enum)
 def _preprocess_for_encode_enum(
     obj: Enum,