hunk.code_window:     // // console.log(`For path=${window.location.pathname} uri=${uri}`)
       // Return the tree
       return (
         <div>
           <Navbar className="fixed-top">
             <NavbarBrand href="#">Streamlit</NavbarBrand>
             <NavItem>
               <PersistentWebsocket
                 uri={uri}
                 onReconnect={this.handleReconnect}
  
hunk.labels: keep keep keep keep keep replace replace replace keep keep keep
hunk.after_edit:         <header>
             <a class="brand" href="/">Streamlit</a>
             <div class="connection-status">
  
hunk.file_path: local/client/src/WebClient.js
hunk.type: replace
file: """Example of everything that's possible in streamlit."""
  
  import sys
  
  import pandas as pd
  import numpy as np
  from datetime import datetime
  
  from streamlit import Notebook, Chart, LineChart
  
  with Notebook() as write:
  
      write("# Datetime Example", fmt='markdown')
  
      rng = pd.date_range('1/1/2011', periods=16, freq='H')
      ts = pd.Series(np.random.randn(len(rng)), index=rng)
      write(ts)
      write.line_chart(ts)
  
      rng = np.vectorize(lambda x: datetime(2012, 5, x))(np.random.randint(1, 30, size=len(rng)))
      ts = pd.Series(rng, index=list(range(len(rng))))
      write(ts)
  