pin marshmallow to <4

dionhaefner · dionhaefner · commit 5808695312aa · 2025-04-30T10:07:58.000+02:00
diff --git a/setup.py b/setup.py
@@ -68,7 +68,7 @@
         "color-operations",
         "flask",
         "flask_cors",
-        "marshmallow>=3.0.0",
+        "marshmallow>=3.0.0,<4",
         "mercantile",
         "numpy%s" % numpy_version,
         "pillow",
