diff --git a/.travis.yml b/.travis.yml
index bfbd0c2..f88a1a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,6 +27,6 @@ install:
  - source activate test
  - conda install --yes numpy scipy matplotlib pip nose
  - pip install setuptools
- - python setup.py install
+ - pip install .
 
 script: python test.py
diff --git a/active_subspaces/subspaces.py b/active_subspaces/subspaces.py
index 95642c8..667b2e8 100644
--- a/active_subspaces/subspaces.py
+++ b/active_subspaces/subspaces.py
@@ -170,10 +170,8 @@ def partition(self, n):
             the dimension of the active subspace
         
         """
-        if not isinstance(n, int):
-            #raise TypeError('n should be an integer')
-            n = int(n)
-            print(Warning("n should be an integer. Performing conversion."))
+        # Cast n as an integer.
+        n = int(n)
 
         m = self.eigenvecs.shape[0]
         if n<1 or n>m:
diff --git a/setup.py b/setup.py
index a95dd45..5dcdf1a 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ def readme():
       packages=['active_subspaces', 'active_subspaces.utils'],
       install_requires=[
           'numpy',
-          'scipy >= 0.15.0',
+          'scipy >= 0.15.0,<=1.2.2',
           'matplotlib'
       ],
       test_suite='nose.collector',