sys.meta_path A list of meta path finder objects that have their find_spec() methods called to see if one of the objects can find the module to be imported. The find_spec() method is called with at least the absolute name of the module being imported. If the module to be imported is contained in a package, then the parent package’s __path__ attribute is passed in as a second argument. The method returns a module spec, or None if the module cannot be found. See also importlib.abc.MetaPathF

exception csv.Error Raised by any of the functions when an error is detected.

class typing.Text Text is an alias for str. It is provided to supply a forward compatible path for Python 2 code: in Python 2, Text is an alias for unicode. Use Text to indicate that a value must contain a unicode string in a manner that is compatible with both Python 2 and Python 3: def add_unicode_checkmark(text: Text) -> Text: return text + u' \u2713'

winreg.CloseKey(hkey) Closes a previously opened registry key. The hkey argument specifies a previously opened key. Note If hkey is not closed using this method (or via hkey.Close()), it is closed when the hkey object is destroyed by Python.

quopri.decodestring(s, header=False) Like decode(), except that it accepts a source bytes and returns the corresponding decoded bytes.

cte Valid values are 7bit, 8bit, base64, and quoted-printable. See RFC 2045 for more information.

all(iterable) Return True if all elements of the iterable are true (or if the iterable is empty). Equivalent to: def all(iterable): for element in iterable: if not element: return False return True

class tkinter.tix.HList The HList widget can be used to display any data that have a hierarchical structure, for example, file system directory trees. The list entries are indented and connected by branch lines according to their places in the hierarchy.

platform.mac_ver(release='', versioninfo=('', '', ''), machine='') Get Mac OS version information and return it as tuple (release, versioninfo, machine) with versioninfo being a tuple (version, dev_stage, non_release_version). Entries which cannot be determined are set to ''. All tuple entries are strings.

math.asin(x) Return the arc sine of x, in radians.