Fix most import related mypy errors

jedi/debug.py

@@ -20,7 +20,7 @@ try:
         raise ImportError
     else:
         # Use colorama for nicer console output.
-        from colorama import Fore, init
+        from colorama import Fore, init  # type: ignore[import]
         from colorama import initialise
 
         def _lazy_colorama_init():  # noqa: F811
@@ -45,7 +45,7 @@ try:
             _inited = True
 
 except ImportError:
-    class Fore(object):
+    class Fore(object):  # type: ignore[no-redef]
         RED = ''
         GREEN = ''
         YELLOW = ''