Merge pull request #351 from dstansby/dstansby-patch-1

Make sympy optional dep
dstansby · Feb 25, 2022 · 0c5b78a · 0c5b78a
2 parents ea315be + 7e4f5e5
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diff --git a/doc/source/changes.rst b/doc/source/changes.rst
@@ -3,6 +3,11 @@
 Changelog
 =========
 
+1.1.1
+-----
+Fixed imports so pfsspy does not depend on ``sympy`` as a runtime dependency.
+(``sympy`` is still needed for the ``analytic`` module however).
+
 1.1.0
 -----
 New requirements

diff --git a/pfsspy/__init__.py b/pfsspy/__init__.py
@@ -1,5 +1,9 @@
 # Import pfsspy sub-modules to have them available through pfsspy.{name}
-import pfsspy.analytic
+try:
+    import pfsspy.analytic
+except ModuleNotFoundError:
+    # If sympy isn't installed
+    pass
 import pfsspy.coords
 import pfsspy.fieldline
 # Import this to register map sources