title: cannot perform reduce with flexible type
body: <p>I have this dataset:</p>
  
  <pre><code>           Game1    Game2   Game3   Game4     Game5
  
  Player1       2        6        5       2        2
  
  Player2       6        4        1       8        4
  
  Player3       8        3        2       1        5
  
  Player4       4        9        4       7        9
  </code></pre>
  
  <p>I want to calcultate <strong>the sum of the 5 games for every player</strong>.</p>
  
  <p>This is my code :</p>
  
  <pre><code>import csv
  f=open('Games','rb')
  f=csv.reader(f,delimiter=';')
  lst=list(f)
  lst
  import numpy as np
  myarray = np.asarray(lst)
  x=myarray[1,1:] #First player
  y=np.sum(x)
  </code></pre>
  
  <p>I had the error "cannot perform reduce with flexible type". Im really very new to python and I need your help.</p>
  
  <p>Thank you</p>