From 9447f788fad4a0bb59b9866022fa87e29ed89bee Mon Sep 17 00:00:00 2001
From: Daniel Weindl <daniel.weindl@helmholtz-munich.de>
Date: Tue, 2 Jul 2024 09:25:11 +0200
Subject: [PATCH] Fix imports

Fixes an issue introduced in #297, which made all optional dependencies required.
---
 petab/__init__.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/petab/__init__.py b/petab/__init__.py
index a9222c97..81b58729 100644
--- a/petab/__init__.py
+++ b/petab/__init__.py
@@ -60,8 +60,11 @@ def v1getattr(name, module):
     v1_object_parts = [*v1_object.parts[:-1], v1_object.stem]
     module_name = ".".join(["petab", *v1_object_parts])
 
-    real_module = importlib.import_module(
-        f"petab.v1.{'.'.join(v1_object_parts)}"
-    )
-    real_module.__getattr__ = partial(v1getattr, module=real_module)
-    sys.modules[module_name] = real_module
+    try:
+        real_module = importlib.import_module(
+            f"petab.v1.{'.'.join(v1_object_parts)}"
+        )
+        real_module.__getattr__ = partial(v1getattr, module=real_module)
+        sys.modules[module_name] = real_module
+    except ModuleNotFoundError:
+        pass