FIX sympy version

mvdoc · mvdoc · commit 5c6d00ed78a0 · 2020-10-09T11:28:54.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -133,7 +133,8 @@ script:
         pip install -r doc-requirements.txt
         # Work round bug in Sympy atoms docstring as of 1.1.0
         # https://github.com/sympy/sympy/pull/12900
-        pip install git+https://github.com/sympy/sympy.git
+        # pip install git+https://github.com/sympy/sympy.git
+        pip install "sympy<1.6"
         make html-stamp pdf-stamp
       else
         # Change into an innocuous directory and find tests from installation
diff --git a/requirements.txt b/requirements.txt
@@ -1,5 +1,5 @@
 # See nipy/info.py for requirement definitions
 numpy>=1.6.0
 scipy>=0.9.0
-sympy>=0.7.0
+sympy>=0.7.0,<1.6
 nibabel>=1.2.0
