Add missing pymbar requirement.

lohedges · lohedges · commit b2f3062789dc · 2022-07-21T13:05:29.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -4,6 +4,7 @@ lazy_import
 libcblas
 libnetcdf
 openmm
+pymbar<4
 qt
 tbb
 tbb-devel
