test tol fiddle

I refuse to set a test tolerance to 0.1 mEh. I have to be able to
do better than that.

tests/lasscf/test_lasscf_async.py

@@ -29,7 +29,7 @@ def tearDownModule():
 
 def _run_mod (mod):
     las=mod.LASSCF(mf, (2,2), (2,2))
-    las.conv_tol_grad = 1e-6
+    las.conv_tol_grad = 1e-7
     localize_fn = getattr (las, 'set_fragments_', las.localize_init_guess)
     mo_coeff=localize_fn (frag_atom_list, mo0)
     las.state_average_(weights=[.2,]*5,