Add missing requirements.txt (#47)

Co-authored-by: Jonas Mueller <[email protected]>

Author: ulya-tkch

active_learning_single_annotator/active_learning_single_annotator.ipynb

@@ -41,7 +41,7 @@
    "source": [
     "## Import dependencies and data\n",
     "\n",
-    "Here we use images from the [Caltech-256](https://data.caltech.edu/records/nyy15-4j048) [1] classification dataset. Any image dataset in the same format can be substituted instead and the same code should work."
+    "Here we use images from the [Caltech-256](https://data.caltech.edu/records/nyy15-4j048) [1] classification dataset. Any image dataset in the same format can be substituted instead and the same code should work.  Please install the dependencies specified in this [requirements.txt](https://github.com/cleanlab/examples/blob/master/active_learning_single_annotator/requirements.txt) file before running this notebook."
    ]
   },
   {

active_learning_single_annotator/requirements.txt

@@ -1,6 +1,7 @@
-# This notebook requires cleanlab versions >= 2.3.0:  pip install "cleanlab>=2.3.0"
+# This notebook requires cleanlab versions >= 2.3.1:  pip install "cleanlab>=2.3.1"
 matplotlib==3.5.1
 numpy==1.22.0
 pandas==1.4.1
 scikit_learn==1.0.2
-autogluon==0.7.0
+autogluon==0.7.0
+gluoncv==0.10.5.post0