cmds / lib: Fix more static checker findings

Fix more errors and warnings produced by "make check" as reported by
CI and a pyright upgrade.

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/cmds/projects/CmdRequiredOsPkg.py

@@ -61,7 +61,6 @@ class CmdRequiredOsPkg(Cmd):  # export
                 vals = self.app.get_values(deps, ['pkg.requires.' + sec], [flavour])
                 if vals:
                     requires |= set(vals)
-        if args.quote:
-            out = [f'"{dep}"' for dep in requires]
+        out = [f'"{dep}"' for dep in requires] if args.quote else requires
         # TODO: add all not in build tree as -devel
         print(' '.join(out))