changed app file

app.py

@@ -31,7 +31,7 @@ st.write(df.describe())
 # visualization
 st.subheader('The Closing price vs Time Chart')
 fig = plt.figure(figsize=(12,6))
-plt.plot(df.close)
+plt.plot(df.Close)
 st.pyplot(fig)
 
 # with Moving Averages
@@ -39,7 +39,7 @@ st.subheader('The Closing price vs Time Chart with MA')
 ma100 = df.Close.rolling(100).mean()
 ma200 = df.Close.rolling(200).mean()
 fig = plt.figure(figsize=(12,6))
-plt.plot(df.close,'b')
+plt.plot(df.Close,'b')
 plt.plot(ma100,'r')
 plt.plot(ma200,'g')
 st.pyplot(fig)