From 61534d56919efe6141c81a025146c7209bc4ad57 Mon Sep 17 00:00:00 2001
From: JM Rohwer <j.m.rohwer@gmail.com>
Date: Fri, 14 Nov 2025 15:07:57 +0100
Subject: [PATCH] Fix PySCeS and Copasi thinlayer imports

---
 pyenzyme/thinlayers/__init__.py | 39 ++++++++++++---------------------
 1 file changed, 14 insertions(+), 25 deletions(-)

diff --git a/pyenzyme/thinlayers/__init__.py b/pyenzyme/thinlayers/__init__.py
index 3e131f2..c8b7910 100644
--- a/pyenzyme/thinlayers/__init__.py
+++ b/pyenzyme/thinlayers/__init__.py
@@ -1,36 +1,25 @@
 from .base import BaseThinLayer
 
-# Only import and show warnings if the modules are explicitly requested
-ThinLayerPysces = None
-ThinLayerCopasi = None
-
-
 def _get_pysces():
     global ThinLayerPysces
-    if ThinLayerPysces is None:
-        try:
-            from .psyces import ThinLayerPysces as _ThinLayerPysces
-
-            ThinLayerPysces = _ThinLayerPysces
-        except ImportError as e:
-            raise ImportError(
-                f"ThinLayerPysces is not available because of missing dependencies: {e}"
-            )
-    return ThinLayerPysces
+    try:
+        from .psyces import ThinLayerPysces as _ThinLayerPysces
+    except ImportError as e:
+        raise ImportError(
+            f"ThinLayerPysces is not available because of missing dependencies: {e}"
+        )
+    return _ThinLayerPysces
 
 
 def _get_copasi():
     global ThinLayerCopasi
-    if ThinLayerCopasi is None:
-        try:
-            from .basico import ThinLayerCopasi as _ThinLayerCopasi
-
-            ThinLayerCopasi = _ThinLayerCopasi
-        except ImportError as e:
-            raise ImportError(
-                f"ThinLayerCopasi is not available because of missing dependencies: {e}"
-            )
-    return ThinLayerCopasi
+    try:
+        from .basico import ThinLayerCopasi as _ThinLayerCopasi
+    except ImportError as e:
+        raise ImportError(
+            f"ThinLayerCopasi is not available because of missing dependencies: {e}"
+        )
+    return _ThinLayerCopasi
 
 
 def __getattr__(name):