Fix deprecation warnings

acoustic.ipynb

@@ -10370,7 +10370,7 @@
     "    return wf_E1s\n",
     "\n",
     "# Determine E1 from the upsampled windowed waveforms\n",
-    "window = signal.tukey(250, 20/250)\n",
+    "window = signal.windows.tukey(250, 20/250)\n",
     "upsampled_wfs, upsampled_wfs_t = signal.resample(window*curves20B['WF2'], 2500, wf_t, axis=1)\n",
     "k_window = 365 + np.arange(-20, 21)\n",
     "wf2_E1 = waveform_E1(upsampled_wfs, k_window)\n",
@@ -10424,7 +10424,7 @@
    "source": [
     "fig, axes = plt.subplots(ncols=2, figsize=(9,4))\n",
     "\n",
-    "cmap = copy.copy(mpl.cm.get_cmap('viridis'))\n",
+    "cmap = copy.copy(mpl.colormaps['viridis'])\n",
     "cmap.set_bad(cmap.colors[0])\n",
     "\n",
     "# Plot a 2D histogram of E_1 values against the values from the CBL channel, and show the scaling\n",
@@ -16469,7 +16469,7 @@
    ],
    "source": [
     "# Get a colormap that ensures that histogram bins with zero occurrences still have a colour\n",
-    "cmap = copy.copy(mpl.cm.get_cmap('viridis'))\n",
+    "cmap = copy.copy(mpl.colormaps['viridis'])\n",
     "cmap.set_bad(cmap.colors[0])\n",
     "\n",
     "# Plot the 2D histogram\n",

requirements.txt

@@ -5,6 +5,7 @@ matplotlib==3.8.2
 scipy==1.12.0
 notebook==7.0.7
 azure-storage-blob==12.19.0
+pyarrow==15.0.0 # suppresses deprecation warning by pandas
 fonttools>=4.43.0 # not directly required, pinned by Snyk to avoid a vulnerability
 ipython>=8.10.0 # not directly required, pinned by Snyk to avoid a vulnerability
 pillow>=10.2.0 # not directly required, pinned by Snyk to avoid a vulnerability