May 29, 2022 commit results python error.

[w5pny]

Ubvuntu 20.04 python 3.8

With the May 29 2022 commit, I always get:

Traceback (most recent call last):
File "/usr/local/lib/nanovnasaver/nanovna-saver.py", line 26, in
from NanoVNASaver.main import main
File "/usr/local/lib/nanovnasaver/NanoVNASaver/main.py", line 36, in
from NanoVNASaver.NanoVNASaver import NanoVNASaver
File "/usr/local/lib/nanovnasaver/NanoVNASaver/NanoVNASaver.py", line 28, in
from .Windows import (
File "/usr/local/lib/nanovnasaver/NanoVNASaver/Windows/init.py", line 6, in
from .DisplaySettings import DisplaySettingsWindow
File "/usr/local/lib/nanovnasaver/NanoVNASaver/Windows/DisplaySettings.py", line 25, in
from NanoVNASaver.Charts.Chart import (
File "/usr/local/lib/nanovnasaver/NanoVNASaver/Charts/init.py", line 2, in
from .Frequency import FrequencyChart
File "/usr/local/lib/nanovnasaver/NanoVNASaver/Charts/Frequency.py", line 37, in
class FrequencyChart(Chart):
File "/usr/local/lib/nanovnasaver/NanoVNASaver/Charts/Frequency.py", line 453, in FrequencyChart
def _data_oob(self, data: list[Datapoint]) -> bool:
TypeError: 'type' object is not subscriptable

I don't know if this is sufficient, but it seems to clear the error so far:

--- ./NanoVNASaver/Charts/Frequency.py.orig 2022-05-29 10:40:50.000000000 -0600
+++ ./NanoVNASaver/Charts/Frequency.py 2022-05-30 10:39:48.863412359 -0600
@@ -450,7 +450,7 @@
self.drawDragbog(qp)
qp.end()

• def _data_oob(self, data: list[Datapoint]) -> bool:

• def _data_oob(self, data: list) -> bool:
  return (data[0].freq > self.fstop or self.data[-1].freq < self.fstart)

  def _check_frequency_boundaries(self, qp: QtGui.QPainter):

[zarath]

Could be related by leaked numpy arrays to locations where python array is expected.
Stil valid with v0.5.3?

[mercy2ro]

I think this is because the difference between python3.8 and python3.9.

https://peps.python.org/pep-0585/
#522

So this issue will be solved by the following change.

def _data_oob(self, data: list[Datapoint]) -> bool:
↓
def _data_oob(self, data: List[Datapoint]) -> bool:

After this change, the error went away. (In my python3.8 environment)