openeo.client_version(): return installed version if possible

Author: soxofaan

openeo/__init__.py

@@ -34,4 +34,8 @@ class BaseOpenEoException(Exception):
 
 
 def client_version() -> str:
-    return __version__
+    try:
+        import importlib.metadata
+        return importlib.metadata.version("openeo")
+    except Exception:
+        return __version__