Update app.py

app.py

@@ -10,7 +10,31 @@ topic_pipeline = Pipeline(
       ("nmf", nmf),
    ]
 )
-topic_pipeline.fit(texts)
+
+st.subheader("Topic Modeling with Topic-Wizard")
+uploaded_file = st.file_uploader("choose a text file", type=["txt"])
+if uploaded_file is not None: 
+    st.session_state["text"] = uploaded_file.getvalue().decode('utf-8')
+
+st.write("OR")
+
+input_text = st.text_area(
+    label="Enter text separated by newlines",
+    value="",
+    key="text",
+    height=150
+)
+
+button=st.button('Get Segments')
+if (button==True) and input_text != "":
+    texts = input_text.split('\n')
+    sents = []
+    for text in texts:
+        doc = nlp(text)
+        for sent in doc.sents:
+            sents.append(sent)
+            
+topic_pipeline.fit(st.session_state["text"])
 
 import topicwizard