Update app.py

app.py

@@ -10,6 +10,7 @@ from sklearn.metrics.pairwise import cosine_similarity
 from typing_extensions import Doc
 import gradio as gr
 df = pd.read_csv('dataframe.csv')
+df['Course Number'] = df['Course Number'].astype(str)
 tfidf_matrix = pd.read_csv('tfidf_matrix.csv', header=None).values
 tfidf_matrix.shape
 word2vec_matrix = pd.read_csv('word2vecmatrix.csv',header=None).values