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Browse files- src/7450_stack.csv +0 -0
- src/app .py +0 -159
- src/requirements .txt +0 -9
- src/streamlit_app.py +0 -40
src/7450_stack.csv
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src/app .py
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import streamlit as st
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import joblib
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import pandas as pd
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import re
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from unidecode import unidecode
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import emoji
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import string
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import contractions
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from nltk.stem import PorterStemmer
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import numpy as np
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from sklearn.feature_extraction.text import ENGLISH_STOP_WORDS
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# Custom CSS Styling
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st.markdown("""
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<style>
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.stApp {
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background-color: #f9fbfc;
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font-family: 'Segoe UI', sans-serif;
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}
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.custom-header {
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background-color: #1e293b;
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color: white;
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padding: 2rem;
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border-radius: 0.5rem;
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text-align: center;
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margin-bottom: 2rem;
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}
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.custom-header h1 {
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font-size: 2rem;
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margin-bottom: 0.5rem;
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}
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.custom-header p {
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font-size: 1rem;
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color: #cbd5e1;
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}
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.input-box, .output-box {
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background-color: white;
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padding: 1.5rem;
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border-radius: 0.5rem;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.04);
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margin-bottom: 2rem;
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}
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.tag-pill {
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display: inline-block;
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background-color: #e0f2fe;
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color: #0369a1;
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padding: 0.4em 0.8em;
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margin: 0.25em;
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border-radius: 999px;
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font-weight: 600;
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font-size: 0.9rem;
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}
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.footer {
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text-align: center;
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font-size: 0.85rem;
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color: #64748b;
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margin-top: 2rem;
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}
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</style>
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""", unsafe_allow_html=True)
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# Header
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st.markdown("""
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<div class="custom-header">
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<h1>📌 StackOverflow Tag Predictor</h1>
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<p>Enter a programming question to see predicted tags</p>
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</div>
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""", unsafe_allow_html=True)
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# Initialize components
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stemmer = PorterStemmer()
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stop_words = set(ENGLISH_STOP_WORDS)
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chat_words = {
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"brb": "be right back", "btw": "by the way", "lol": "laugh out loud",
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"afaik": "as far as i know", "imo": "in my opinion", "tbh": "to be honest",
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"idk": "i don't know", "asap": "as soon as possible", "np": "no problem",
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"thx": "thanks", "pls": "please", "fyi": "for your information"
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}
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def preprocess_text(text):
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if not isinstance(text, str) or not text.strip():
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return ""
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try:
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text = re.sub(r'<[^>]+>', '', text)
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text = re.sub(r'https?://\S+|www\.\S+', '', text)
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text = emoji.demojize(text, delimiters=(" ", " "))
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text = unidecode(text)
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text = contractions.fix(text)
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text = text.lower()
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words = text.split()
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text = " ".join([chat_words.get(word.lower(), word) for word in words])
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text = text.translate(str.maketrans('', '', string.punctuation))
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tokens = re.findall(r'\b\w+\b', text)
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tokens = [word for word in tokens if word not in stop_words]
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tokens = [stemmer.stem(word) for word in tokens]
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return " ".join(tokens)
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except Exception as e:
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st.error(f"Preprocessing error: {e}")
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return ""
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@st.cache_resource
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def load_models():
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try:
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model = joblib.load("tag_model.joblib")
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mlb = joblib.load("tag_binarizer.joblib")
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return model, mlb
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except Exception as e:
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st.error(f"Error loading model: {e}")
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return None, None
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model, mlb = load_models()
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# Input
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st.markdown('<div class="input-box">', unsafe_allow_html=True)
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user_input = st.text_area("✍️ Paste your programming question below:", height=200, placeholder="e.g., How to reverse a list in Python?")
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st.markdown('</div>', unsafe_allow_html=True)
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# Prediction
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if st.button("🚀 Predict Tags"):
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if not user_input.strip():
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st.warning("Please enter your question to get predictions.")
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elif model is None or mlb is None:
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st.error("Model loading failed.")
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else:
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with st.spinner("Processing..."):
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processed = preprocess_text(user_input)
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if processed:
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try:
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input_df = pd.DataFrame({'processed_excerpt': [processed]})
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if hasattr(model, "predict_proba"):
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probs = model.predict_proba(input_df)[0]
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top_idx = np.argsort(probs)[-5:][::-1]
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tags = [mlb.classes_[i] for i in top_idx]
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confs = [int(probs[i] * 100) for i in top_idx]
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elif hasattr(model, "decision_function"):
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scores = model.decision_function(input_df)[0]
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top_idx = np.argsort(scores)[-5:][::-1]
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tags = [mlb.classes_[i] for i in top_idx]
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confs = [None] * 5
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else:
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preds = model.predict(input_df)
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tags = mlb.inverse_transform(preds)[0]
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confs = [None] * len(tags)
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# Output
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st.markdown('<div class="output-box"><h4>🏷️ Predicted Tags:</h4>', unsafe_allow_html=True)
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for tag, conf in zip(tags, confs):
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confidence = f" ({conf}%)" if conf is not None else ""
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st.markdown(f'<span class="tag-pill">{tag}{confidence}</span>', unsafe_allow_html=True)
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st.markdown('</div>', unsafe_allow_html=True)
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except Exception as e:
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st.error(f"Prediction error: {e}")
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# Footer
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st.markdown("""
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<div class="footer">
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🔎 This ML tool predicts tags based on programming question content.
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</div>
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""", unsafe_allow_html=True)
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src/requirements .txt
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streamlit
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pandas
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numpy
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scikit-learn
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nltk
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joblib
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unidecode
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emoji
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contractions
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src/streamlit_app.py
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import altair as alt
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import numpy as np
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import pandas as pd
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import streamlit as st
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"""
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# Welcome to Streamlit!
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Edit `/streamlit_app.py` to customize this app to your heart's desire :heart:.
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If you have any questions, checkout our [documentation](https://docs.streamlit.io) and [community
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forums](https://discuss.streamlit.io).
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In the meantime, below is an example of what you can do with just a few lines of code:
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"""
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num_points = st.slider("Number of points in spiral", 1, 10000, 1100)
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num_turns = st.slider("Number of turns in spiral", 1, 300, 31)
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indices = np.linspace(0, 1, num_points)
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theta = 2 * np.pi * num_turns * indices
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radius = indices
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x = radius * np.cos(theta)
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y = radius * np.sin(theta)
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df = pd.DataFrame({
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"x": x,
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"y": y,
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"idx": indices,
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"rand": np.random.randn(num_points),
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})
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st.altair_chart(alt.Chart(df, height=700, width=700)
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.mark_point(filled=True)
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.encode(
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x=alt.X("x", axis=None),
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y=alt.Y("y", axis=None),
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color=alt.Color("idx", legend=None, scale=alt.Scale()),
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size=alt.Size("rand", legend=None, scale=alt.Scale(range=[1, 150])),
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))
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