Uncaught UnicodeEncodeError in console.py line 2107

[davdunc]

Aider version: 0.86.1
Python version: 3.11.2
Platform: Linux-6.12.47+rpt-rpi-2712-aarch64-with-glibc2.36
Python implementation: CPython
Virtual environment: Yes
OS: Linux 6.12.47+rpt-rpi-2712 (64bit)
Git version: git version 2.39.5

An uncaught exception occurred:

Traceback (most recent call last):
  File "io.py", line 980, in _tool_message
    self.console.print(message, **style)
  File "console.py", line 1697, in print
    with self:
  File "console.py", line 870, in __exit__
    self._exit_buffer()
  File "console.py", line 826, in _exit_buffer
    self._check_buffer()
  File "console.py", line 2038, in _check_buffer
    self._write_buffer()
  File "console.py", line 2107, in _write_buffer
    self.file.write(text)
UnicodeEncodeError: 'latin-1' codec can't encode character '\u2588' in position 315: ordinal not in range(256)
*** You may need to add PYTHONIOENCODING=utf-8 to your environment ***

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "aider", line 8, in <module>
    sys.exit(main())
             ^^^^^^
  File "main.py", line 1162, in main
    coder.run()
  File "base_coder.py", line 887, in run
    self.run_one(user_message, preproc)
  File "base_coder.py", line 934, in run_one
    list(self.send_message(message))
  File "base_coder.py", line 1600, in send_message
    lint_errors = self.lint_edited(edited)
                  ^^^^^^^^^^^^^^^^^^^^^^^^
  File "base_coder.py", line 1694, in lint_edited
    self.io.tool_warning(res)
  File "io.py", line 993, in tool_warning
    self._tool_message(message, strip, self.tool_warning_color)
  File "io.py", line 986, in _tool_message
    self.console.print(message, **style)
  File "console.py", line 1697, in print
    with self:
  File "console.py", line 870, in __exit__
    self._exit_buffer()
  File "console.py", line 826, in _exit_buffer
    self._check_buffer()
  File "console.py", line 2038, in _check_buffer
    self._write_buffer()
  File "console.py", line 2107, in _write_buffer
    self.file.write(text)
UnicodeEncodeError: 'latin-1' codec can't encode character '\u2588' in position 315: ordinal not in range(256)
*** You may need to add PYTHONIOENCODING=utf-8 to your environment ***