diff --git a/Ferromagnetische_Hysterese/tools/hysteresis_curve.ipynb b/Ferromagnetische_Hysterese/tools/hysteresis_curve.ipynb
index cd4be6b0557591a82ffe341ab9857711f1a8cf22..76fc10d529321516c5c827403be6fe94f49acea2 100644
--- a/Ferromagnetische_Hysterese/tools/hysteresis_curve.ipynb
+++ b/Ferromagnetische_Hysterese/tools/hysteresis_curve.ipynb
@@ -4,6 +4,7 @@
    "cell_type": "markdown",
    "id": "001d51ab-bdf8-40b5-9aad-54e33181e05c",
    "metadata": {
+    "jp-MarkdownHeadingCollapsed": true,
     "tags": []
    },
    "source": [
@@ -99,7 +100,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from PhyPraKit.PhyPraKit.phyTools import readPicoScope\n",
+    "from PhyPraKit.phyTools import readPicoScope\n",
     "\n",
     "# Read data from PicoScope; \n",
     "# * \"data\" is a list of lists which correspond to the columns in the csv file; \n",