stub.py: Unbork install mode

Signed-off-by: Hector Martin <[email protected]>

Author: marcan

src/stub.py

@@ -16,10 +16,9 @@ def __init__(self, sysinfo, dutil, osinfo):
         self.ucache = None
         self.copy_idata = []
         self.stub_info = {}
-        self.ipsw = None
         self.pkg = None
 
-    def load_ipsw(self, ipsw):
+    def load_ipsw(self, ipsw_info):
         self.install_version = ipsw_info.version.split(maxsplit=1)[0]
 
         base = os.environ.get("IPSW_BASE", None)