make return type consistent

convexengineering · Jan 5, 2024 · 8a36ce1 · 8a36ce1
1 parent 95276b6
commit 8a36ce1
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/gpkit/build.py b/gpkit/build.py
@@ -154,7 +154,7 @@ def look(self):
             import cvxopt  # pylint: disable=unused-import
             return "in the default PYTHONPATH"
         except ImportError:
-            pass
+            return ""
 
 
 class MosekConif(SolverBackend):
@@ -168,9 +168,9 @@ def look(self):
             import mosek
             if hasattr(mosek.conetype, "pexp"):
                 return "in the default PYTHONPATH"
-            return None
+            return ""
         except ImportError:
-            pass
+            return ""
 
 def build():
     "Builds GPkit"