diff --git a/sfdmap2/sfdmap.py b/sfdmap2/sfdmap.py
index 85dfd78..b070099 100644
--- a/sfdmap2/sfdmap.py
+++ b/sfdmap2/sfdmap.py
@@ -18,7 +18,7 @@
 except ImportError:
     try:
         from astropy.io.fits import getdata  # type: ignore
-    except ImportError:
+    except ImportError:  # pragma: no cover
         # If we don't have either reader, raise an error only when the function
         # is called. This is so that we can import the module with just numpy
         # installed (the minimum dependency).