eja: remove some unused imports from eja_utils.

diff --git a/mjo/eja/eja_utils.py b/mjo/eja/eja_utils.py
index 701d5f561f6ef2418cee5f914ceb030ee9a6f5cb..b6b0a0327c19842ce654023b00bf6e0b9af539a1 100644 (file)
--- a/mjo/eja/eja_utils.py
+++ b/mjo/eja/eja_utils.py
@@ -1,6 +1,4 @@
-from sage.matrix.constructor import matrix
 from sage.modules.free_module_element import vector
-from sage.functions.other import sqrt
 
 def _mat2vec(m):
         return vector(m.base_ring(), m.list())