diff --git a/diffcp/__init__.py b/diffcp/__init__.py
index 9b65a8e..cf15bd8 100644
--- a/diffcp/__init__.py
+++ b/diffcp/__init__.py
@@ -2,8 +2,8 @@
 
 from diffcp.cone_program import solve_and_derivative, \
     solve_and_derivative_batch, \
-    solve_and_derivative_internal, SolverError, \
+    solve_and_derivative_internal, \
     solve_only_batch, solve_only, \
-    solve_internal
+    solve_internal, SolverError
 from diffcp.cones import ZERO, POS, SOC, PSD, EXP
 from diffcp import utils