clean up

lee1043 · lee1043 · commit dae3443e05b2 · 2023-11-07T14:18:52.000-08:00
diff --git a/pcmdi_metrics/sea_ice/ice_area_cmip5_ssmi_reg_rms.py b/pcmdi_metrics/sea_ice/ice_area_cmip5_ssmi_reg_rms.py
@@ -8,8 +8,6 @@
 
 
 def tgrid(t):
-    import cdtime
-
     time = t[:] * 0.0
     if t[0] == 0.0:
         dt = 0.0
