small update in init (#189)

python/packages/main/agent_framework/azure/__init__.py

@@ -0,0 +1,32 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import importlib
+from typing import TYPE_CHECKING, Any
+
+PACKAGE_EXTRA = "azure"
+
+_IMPORTS = {
+    "__version__": "agent_framework_azure",
+}
+
+
+def __getattr__(name: str) -> Any:
+    if name in _IMPORTS:
+        submod_name = _IMPORTS[name]
+        try:
+            module = importlib.import_module(submod_name, package=__name__)
+            return getattr(module, name)
+        except ModuleNotFoundError as exc:
+            raise ModuleNotFoundError(
+                f"The '{PACKAGE_EXTRA}' extra is not installed, "
+                f"please do `pip install agent-framework[{PACKAGE_EXTRA}]`"
+            ) from exc
+    raise AttributeError(f"module {__name__} has no attribute {name}")
+
+
+def __dir__() -> list[str]:
+    return list(_IMPORTS.keys())
+
+
+if TYPE_CHECKING:
+    from agent_framework_azure import __version__  # noqa: F401