num_fields Returns the number of fields in the layer, i.e the number of fields of data associated with each feature in the layer:

statsmodels.sandbox.regression.gmm.IVGMMResults.compare_j

find_loader(fullname) Attempt to find the loader to handle fullname within path.

os.supports_dir_fd A

pty.openpty() Open a new pseudo-terminal pair, using

xml.etree.ElementTree.XML(text, parser=None) Parses an XML section from a string constant. This function can be used to embed

fileinput.isstdin() Returns true if the last line was read from sys.stdin, otherwise returns false.

docstring The string that the test was extracted from, or ‘None’ if the string is unavailable, or if the test was not extracted

GroupBy.groups dict {group name -> group labels}

operator.length_hint(obj, default=0) Return an estimated length for the object o. First try to return its actual length