Destroy all proxies that reference the give module name. Also, check
for other proxies referenced by modules that have been imported and
destroy those proxies too. This way, destruction of a single proxy
- can trigger destruction of all the rest. If the a target module appears
+ can trigger destruction of all the rest. If a target module appears
to be partially imported (indicated when an AttributeError is caught),
this function will leave in place proxies that reference it.
"""