Merge pull request #24 from sot/erfa

Astropy 4.2 compatibility: modified "import erfa" statement
sot · Feb 8, 2021 · 3ce766b · 3ce766b
2 parents 32d1453 + c6f2320
commit 3ce766b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/cxotime/cxotime.py b/cxotime/cxotime.py
@@ -9,7 +9,11 @@
 from astropy.time import Time, TimeCxcSec, TimeYearDayTime, TimeDecimalYear
 from astropy.time.utils import day_frac
 from astropy.utils import iers
-from astropy import _erfa as erfa
+# in astropy versions < 4.2, erfa was an astropy private package:
+try:
+    import erfa
+except ModuleNotFoundError:
+    from astropy import _erfa as erfa
 
 # For working in Chandra operations, possibly with no network access, we cannot
 # allow auto downloads.