use PIL

Author: jeffjennings

2_WavelengthCalibration.ipynb

@@ -63,7 +63,6 @@
     "from astropy.modeling.polynomial import Polynomial1D\n",
     "from astropy.modeling.models import Gaussian1D, Linear1D\n",
     "from astropy.modeling.fitting import LinearLSQFitter\n",
-    "from IPython.display import Image\n",
     "\n",
     "# astroquery provides an interface to the NIST atomic line database\n",
     "from astroquery.nist import Nist"
@@ -372,7 +371,8 @@
    },
    "outputs": [],
    "source": [
-    "Image(\"Mercury_spectrum.jpg\")"
+    "im = PILImage.open(\"Mercury_spectrum.jpg\")\n",
+    "im"
    ]
   },
   {
@@ -381,7 +381,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Image(\"Neon_spectrum.jpg\")"
+    "im = PILImage.open(\"Neon_spectrum.jpg\")\n",
+    "im"
    ]
   },
   {
@@ -390,7 +391,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Image(\"Krypton_spectrum.jpg\")"
+    "im = PILImage.open(\"Krypton_spectrum.jpg\")\n",
+    "im"
    ]
   },
   {
@@ -410,7 +412,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "Image(\"HG_spectrum.jpg\")"
+    "im = PILImage.open(\"HG_spectrum.jpg\")\n",
+    "im"
    ]
   },
   {