Hotfix/awg70000 makeseqxfile

[WilliamHPNielsen]

Fixes a bug discovered in the lab just now.

Changes proposed in this pull request:

• Add a test reproducing the bug
• Fix the failing line

@astafan8

[codecov]

Codecov Report

Merging #1213 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1213   +/-   ##
=======================================
  Coverage   80.38%   80.38%           
=======================================
  Files          49       49           
  Lines        6801     6801           
=======================================
  Hits         5467     5467           
  Misses       1334     1334

[astafan8]

did not really get what went wrong, but the code now seems more clear, so i just accept :) (hope that len(wfm[0]) is indeed the number of elements)

[WilliamHPNielsen]

@astafan8 for your curiosity: wfms is a list of lists of multidimensional np.arrays (waveform, marker, marker). If the arrays have different lengths, np.shape of the lists is undefined.

Something like

np.shape([[np.zeros((3, 4)), np.zeros((3, 3))]])

does not work, although it should; it is a single channel with two elements having respectively 4 and 3 points.

[astafan8]

aaa., ok, thanks for the explanation. then perhaps numpy expects an array to be like a matrix, while in your case it is not. you basically have to manually account for the fact that your arrays in the lists may have linear-algebra-incompatible shapes. but i'm not sure, whatever.