Fix a lot of test related typing issues

scripts/memory_check.py

@@ -13,7 +13,7 @@ Note: This requires the psutil library, available on PyPI.
 import time
 import sys
 import os
-import psutil
+import psutil  # type: ignore[import-untyped]
 sys.path.insert(0, os.path.abspath(os.path.dirname(__file__) + '/..'))
 import jedi
 

scripts/profile_output.py

@@ -56,7 +56,7 @@ def main(args):
         run(code, i, infer=infer)
 
     if args['--precision']:
-        pstats.f8 = f8
+        pstats.f8 = f8  # type: ignore[attr-defined]  # TODO this does not seem to exist?!
 
     jedi.set_debug_function(notices=args['--debug'])
     if args['--omit']:

scripts/wx_check.py

@@ -17,11 +17,11 @@ import sys
 try:
     import urllib.request as urllib2
 except ImportError:
-    import urllib2
+    import urllib2  # type: ignore[import-not-found, no-redef]
 import gc
 from os.path import abspath, dirname
 
-import objgraph
+import objgraph  # type: ignore[import-untyped]
 
 sys.path.insert(0, dirname(dirname(abspath(__file__))))
 import jedi