fiona 1.8.21

on Python PyPI

Changes:

• Driver mode support tests have been made more general and less susceptible to driver quirks involving feature fields and coordinate values (#1060).
• OSError is raised on attempts to open a dataset in a Python file object in "a" mode (see #1027).
• Upgrade attrs, cython, etc to open up Python 3.10 support (#1049).

Bug fixes:

• Allow FieldSkipLogFilter to handle exception messages as well as strings (reported in #1035).
• Clean up VSI files left by MemoryFileBase, resolving #1041.
• Hard-coded "utf-8" collection encoding added in #423 has been removed (#1057).