diff --git a/.github/workflows/conda-tests.yml b/.github/workflows/conda-tests.yml
index 4411a87..17cf7e3 100644
--- a/.github/workflows/conda-tests.yml
+++ b/.github/workflows/conda-tests.yml
@@ -33,7 +33,7 @@ jobs:
           auto-activate-base: false
       - name: Install packages
         run: |
-          conda install -y pytest geopandas ${{ matrix.wntr-version}} ${{ matrix.qgis }}
+          conda install -y pytest ${{ matrix.wntr-version}} ${{ matrix.qgis }}
           pip install pytest-qgis pytest-cov
       - name: Conda info
         run: |
diff --git a/wntrqgis/dependency_management.py b/wntrqgis/dependency_management.py
index ece5983..8da66a6 100644
--- a/wntrqgis/dependency_management.py
+++ b/wntrqgis/dependency_management.py
@@ -17,6 +17,12 @@ class WqDependencyManagement:
 
     @classmethod
     def import_wntr(cls):
+        if not cls._wntr__available_version:
+            cls._wntr__available_version = cls._check_wntr()
+
+        if cls._wntr__available_version:
+            return cls._wntr__available_version
+
         if not cls._dependencies_available:
             missing_deps = cls._check_dependencies()
             if len(missing_deps):
@@ -25,10 +31,7 @@ def import_wntr(cls):
 
             cls._dependencies_available = True
 
-        if not cls._wntr__available_version:
-            cls._wntr__available_version = cls._check_wntr()
-
-        return cls._wntr__available_version
+        return None
 
     @classmethod
     def ensure_wntr(cls):
@@ -52,7 +55,6 @@ def _check_dependencies():
 
     @staticmethod
     def _check_wntr() -> str | None:
-        invalidate_caches()
         if find_spec("wntr") is None:
             return None
         try: