removing imports and adding comment

README.md

@@ -5,9 +5,13 @@ Relaxed ELectrophysiology Acquisition, Control, and Stimulation in python
 Implementing [relacs](https://github.com/relacs/relacs) with MCC USB 1608GX-2AO / 1808X devices ([multifunction-usb-daq-devices](https://digilent.com/shop/mcc-daq/data-acquisition/low-cost-daq/))
 
 # Installation 
-You have to install the MCC library (follow the installing instructions for [linux](https://github.com/mccdaq/uldaq) or [windows](https://github.com/mccdaq/mcculw)). 
+You have to install the MCC library (follow the installing instructions for [linux/macOS](https://github.com/mccdaq/uldaq) or [windows](https://github.com/mccdaq/mcculw)).
 
-After successful installing, you can use clone the reposity and install it with 
+For MacOs if you run into problems with the libusb library that was installed with homebrew, there is an issue thread on the uldaq repository.
+
+[https://github.com/mccdaq/uldaq/issues/44](https://github.com/mccdaq/uldaq/issues/44)
+
+After successful installing, you can use clone the repository and install it with
 
 ```sh
 pip install -e .

pyrelacs/app.py

@@ -129,7 +129,7 @@ class PyRelacs(QMainWindow):
                 # name=stim.name,
             )
             self.power_plot.plot(f_sq, powerspec_sq, pen=pen)
-            # self.power_plot.plotItem.scatterPlot(f[peaks], powerspec_sq[peaks])
+            self.power_plot.plot(f[peaks], powerspec_sq[peaks], pen=None, symbol="x")
 
     def connect_dac(self):
         devices = uldaq.get_daq_device_inventory(uldaq.InterfaceType.USB)

pyrelacs/repros/calbi.py

@@ -1,5 +1,3 @@
-import signal
-import sys
 import faulthandler
 import time
 
@@ -8,13 +6,14 @@ import uldaq
 from IPython import embed
 import numpy as np
 import matplotlib.pyplot as plt
-from scipy.signal import welch, csd
+from scipy.signal import welch
 from scipy.signal import find_peaks
 
 from pyrelacs.devices.mccdac import MccDac
 from pyrelacs.util.logging import config_logging
 
 log = config_logging()
+# for more information on seg faults
 faulthandler.enable()