From 5b08965861521f2c6f024fa90dc72e5df48ffdd1 Mon Sep 17 00:00:00 2001
From: Rutger van Haasteren <vhaasteren@gmail.com>
Date: Wed, 29 Nov 2023 07:57:11 +0100
Subject: [PATCH 1/3] Make astropy optional in pulsar.py

---
 enterprise/pulsar.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/enterprise/pulsar.py b/enterprise/pulsar.py
index b8f23cd5..3b4b4422 100644
--- a/enterprise/pulsar.py
+++ b/enterprise/pulsar.py
@@ -7,8 +7,6 @@
 import os
 import pickle
 
-import astropy.constants as const
-import astropy.units as u
 import numpy as np
 from ephem import Ecliptic, Equatorial
 
@@ -34,6 +32,13 @@
     logger.warning("PINT not installed. Will use libstempo instead.")  # pragma: no cover
     pint = None
 
+try:
+    import astropy.constants as const
+    import astropy.units as u
+except ImportError:
+    const = None # pragma: no cover
+    u = None
+
 if pint is None and t2 is None:
     err_msg = "Must have either PINT or libstempo timing package installed"
     raise ImportError(err_msg)

From 8c82ecb357fd53dd0cf7314887cb0c2ff07f08aa Mon Sep 17 00:00:00 2001
From: Rutger van Haasteren <vhaasteren@gmail.com>
Date: Wed, 29 Nov 2023 08:12:44 +0100
Subject: [PATCH 2/3] Added space for black

---
 enterprise/pulsar.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/enterprise/pulsar.py b/enterprise/pulsar.py
index 3b4b4422..4f392bbe 100644
--- a/enterprise/pulsar.py
+++ b/enterprise/pulsar.py
@@ -36,7 +36,7 @@
     import astropy.constants as const
     import astropy.units as u
 except ImportError:
-    const = None # pragma: no cover
+    const = None  # pragma: no cover
     u = None
 
 if pint is None and t2 is None:

From c4fe43e72ba96d8fc862c980b7247721a047fa32 Mon Sep 17 00:00:00 2001
From: Rutger van Haasteren <vhaasteren@gmail.com>
Date: Wed, 29 Nov 2023 08:34:42 +0100
Subject: [PATCH 3/3] Changed the location of the pragma: no cover

---
 enterprise/pulsar.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/enterprise/pulsar.py b/enterprise/pulsar.py
index 4f392bbe..bb1f35a3 100644
--- a/enterprise/pulsar.py
+++ b/enterprise/pulsar.py
@@ -35,8 +35,8 @@
 try:
     import astropy.constants as const
     import astropy.units as u
-except ImportError:
-    const = None  # pragma: no cover
+except ImportError:  # pragma: no cover
+    const = None
     u = None
 
 if pint is None and t2 is None: