Update exercise02.ipynb

Author: fs446

exercise02.ipynb

@@ -57,12 +57,12 @@
    "outputs": [],
    "source": [
     "import librosa\n",
+    "import matplotlib as mpl\n",
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "import os\n",
     "import pyloudnorm as pyln\n",
     "import warnings\n",
-    "from matplotlib.cm import get_cmap\n",
     "from matplotlib.colors import BoundaryNorm\n",
     "from scipy.io import wavfile\n",
     "from scipy.signal import resample, stft, welch\n",
@@ -110,7 +110,7 @@
     "def set_cmap(xmax, dbrange):\n",
     "    \"\"\"cmap for STFT 20log10(|X[t,f]|) in dB.\"\"\"\n",
     "    col_tick = np.linspace(xmax - dbrange, xmax, dbrange, endpoint=True)\n",
-    "    cmap = get_cmap(\"magma\").copy()\n",
+    "    cmap = mpl.colormaps[\"magma\"].copy()\n",
     "    cmap.set_over(\"C3\")\n",
     "    cmap.set_under(\"C7\")\n",
     "    norm = BoundaryNorm(col_tick, cmap.N)\n",
@@ -444,7 +444,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.6"
+   "version": "3.12.3"
   }
  },
  "nbformat": 4,