Update examples/tools/system/package_manager/consumer/conanfile.py

Co-authored-by: Carlos Zoido <mrgalleta@gmail.com>

Author: uilianries

examples/tools/system/package_manager/consumer/conanfile.py

@@ -15,7 +15,7 @@ def _supported_os(self):
         return ["Linux", "Macos", "FreeBSD"]
 
     def requirements(self):
-        if self.settings.os in _supported_os:
+        if self.settings.os in self._supported_os:
             self.requires("ncurses/system")
 
     def layout(self):