fix pickle file naming

Author: ndharasz

example_model.ipynb

@@ -158,13 +158,13 @@
         "# Pickle predict function\n",
         "import cloudpickle\n",
         "p = cloudpickle.dumps(predict)\n",
-        "with open(\"predict_barebones.pkl\", \"wb\") as f:\n",
+        "with open(\"example_model.pkl\", \"wb\") as f:\n",
         "    f.write(p)\n",
         "\n",
         "# Download file if running in Google Colab\n",
         "try:\n",
         "    from google.colab import files\n",
-        "    files.download('predict_barebones.pkl')\n",
+        "    files.download('example_model.pkl')\n",
         "except:\n",
         "    pass"
       ]

feature_neutralization.ipynb

@@ -4166,7 +4166,7 @@
         "# Use the cloudpickle library to serialize your function and its dependencies\n",
         "import cloudpickle\n",
         "p = cloudpickle.dumps(predict_neutral)\n",
-        "with open(\"predict_neutral.pkl\", \"wb\") as f:\n",
+        "with open(\"feature_neutralization.pkl\", \"wb\") as f:\n",
         "    f.write(p)"
       ]
     },
@@ -4207,7 +4207,7 @@
         "# Download file if running in Google Colab\n",
         "try:\n",
         "    from google.colab import files\n",
-        "    files.download('predict_neutral.pkl')\n",
+        "    files.download('feature_neutralization.pkl')\n",
         "except:\n",
         "    pass"
       ]

hello_numerai.ipynb

@@ -3237,7 +3237,7 @@
         "# Use the cloudpickle library to serialize your function\n",
         "import cloudpickle\n",
         "p = cloudpickle.dumps(predict)\n",
-        "with open(\"predict.pkl\", \"wb\") as f:\n",
+        "with open(\"hello_numerai.pkl\", \"wb\") as f:\n",
         "    f.write(p)"
       ]
     },
@@ -3278,7 +3278,7 @@
         "# Download file if running in Google Colab\n",
         "try:\n",
         "    from google.colab import files\n",
-        "    files.download('predict.pkl')\n",
+        "    files.download('hello_numerai.pkl')\n",
         "except:\n",
         "    pass"
       ]

target_ensemble.ipynb

@@ -5879,7 +5879,7 @@
         "# Use the cloudpickle library to serialize your function and its dependencies\n",
         "import cloudpickle\n",
         "p = cloudpickle.dumps(predict_ensemble)\n",
-        "with open(\"predict_ensemble.pkl\", \"wb\") as f:\n",
+        "with open(\"target_ensemble.pkl\", \"wb\") as f:\n",
         "    f.write(p)"
       ]
     },
@@ -5920,7 +5920,7 @@
         "# Download file if running in Google Colab\n",
         "try:\n",
         "    from google.colab import files\n",
-        "    files.download('predict_ensemble.pkl')\n",
+        "    files.download('target_ensemble.pkl')\n",
         "except:\n",
         "    pass"
       ]