Add missing requirement

Author: stfnkth

.github/workflows/pytest.yml

@@ -25,7 +25,7 @@ jobs:
         run: pip install -e .
 
       - name: Install dev dependencies
-        run: pip install pytest geopandas
+        run: pip install -r requirements.dev.txt
 
       - name: Test package
         run: pytest

pyproject.toml

@@ -25,5 +25,6 @@ dev = [
     "mkdocstrings[python]>=0.29.1",
     "pyproj>=3.6.1",
     "pytest>=8.3.5",
+    "requests>=2.32.3",
     "ruff>=0.11.5",
 ]

requirements.dev.txt

@@ -0,0 +1,3 @@
+pytest
+geopandas
+requests

src/openlayers/colors.py

@@ -27,6 +27,7 @@ def read_color_schemes(fn: str = None) -> list[ColorScheme]:
 
             data = requests.get(fn).json()
         except ImportError as e:
+            print(e)
             return
 
     return [ColorScheme(name=k, values=v) for k, v in data.items()]