fix bug when calling ESAOrbits without lisatools

gwastro · Jul 12, 2024 · eb73c29 · eb73c29
1 parent 8a8b733
commit eb73c29
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/pycbc/detector.py b/pycbc/detector.py
@@ -662,7 +662,7 @@ class LISA_detector(object):
     """
     LISA-like GW detector. Applies detector response from FastLISAResponse.
     """
-    def __init__(self, detector='LISA', reference_time=None, orbits=ESAOrbits(), use_gpu=False, t0=10000.):
+    def __init__(self, detector='LISA', reference_time=None, orbits=None, use_gpu=False, t0=10000.):
         """
         Parameters
         ----------
@@ -691,7 +691,10 @@ def __init__(self, detector='LISA', reference_time=None, orbits=ESAOrbits(), use
 
         # intialize orbit information
         if orbits is None:
-            raise ImportError('LISAanalysistools required for inputting orbital data')
+            # set ESAOrbits as default; raise error if ESAOrbits cannot be imported
+            if ESAOrbits is None:
+                raise ImportError('LISAanalysistools required for inputting orbital data')
+            orbits = ESAOrbits()
         orbits.configure(linear_interp_setup=True)
         self.orbits = orbits