sage assertion failed error

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I updated my sage (version 7.0) and ran it. I am getting the following error ever since:

Rewriting paths for your new installation directory ===================================================

This might take a few minutes but only has to be done once.

patching /opt/sage/local/share/terminfo/v/vt220 Traceback (most recent call last): File "/opt/sage/relocate-once.py", line 85, in <module> p('local/share/terminfo/v/vt220').patch(881, 1006).save() File "/opt/sage/relocate-once.py", line 43, in patch assert self.content[end:end+1] == b'\0' AssertionError