Update xcode_emulation.py

Author: aduh95

pylib/gyp/xcode_emulation.py

@@ -521,7 +521,7 @@ def _GetSdkVersionInfoItem(self, sdk, infoitem):
         # most sensible route and should still do the right thing.
         try:
             return GetStdoutQuiet(["xcrun", "--sdk", sdk, infoitem])
-        except GypError:
+        except (GypError, OSError):
             pass
 
     def _SdkRoot(self, configname):
@@ -1542,14 +1542,14 @@ def CLTVersion():
         try:
             output = GetStdout(["/usr/sbin/pkgutil", "--pkg-info", key])
             return re.search(regex, output).groupdict()["version"]
-        except GypError:
+        except (GypError, OSError):
             continue
 
     regex = re.compile(r"Command Line Tools for Xcode\s+(?P<version>\S+)")
     try:
         output = GetStdout(["/usr/sbin/softwareupdate", "--history"])
         return re.search(regex, output).groupdict()["version"]
-    except GypError:
+    except (GypError, OSError):
         return None