fix assertion for missing files

send2trash/win/modern.py

@@ -62,10 +62,17 @@ def send2trash(paths):
     # pywintypes.com_error which does not seem to create as nice of an
     # error as OSError so wrapping with try to convert
     pysink, sink = create_sink()
+    try:
         try:
             for path in paths:
                 item = shell.SHCreateItemFromParsingName(path, None, shell.IID_IShellItem)
                 fileop.DeleteItem(item, sink)
+        except pywintypes.com_error as error:
+            # convert to standard OS error, allows other code to get a
+            # normal errno
+            raise OSError(None, error.strerror, path, error.hresult)
+
+        try:
             result = fileop.PerformOperations()
             aborted = fileop.GetAnyOperationsAborted()
             # if non-zero result or aborted throw an exception
@@ -74,8 +81,6 @@ def send2trash(paths):
                 raise OSError(None, None, paths, result)
         except pywintypes.com_error:
             assert len(pysink.errors) == 1, pysink.errors
-        # convert to standard OS error, allows other code to get a
-        # normal errno
             path, hr = pysink.errors[0]
             hr = winerrormap.get(hr + 2**32, hr)
             raise win_exception(hr, path)