Using lgtm.com and fixing found alerts (#1452)

* lgtm in readme, and mac nui fixes

* call super inits in radars

* unused imports, dup lines

* more radars, more unused imports

* pass CP into RadarInterfaceBase

* more fixups

* unused imports

* delete unused lines

* ugh, new unused import

Co-authored-by: George Hotz <geohot@gmail.com>

scripts/code_stats.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-import os, glob
+import os
 import ast
 import stat
 import subprocess