title: ValueError: size of tuple must match number of fields while using genfromtxt
body: <pre><code>import os
  import numpy as np
  os.getcwd()
  os.chdir('C:/Users/Gururaj/Desktop/tech/python/')
  data = np.genfromtxt("simple.txt", dtype=None, delimiter=",", 
  names=str(False))
  print(data[0])
  </code></pre>
  
  <p>=========================error as below======================</p>
  
  <h2>this is being done in Jupyter notebook for python 3</h2>
  
  <pre><code>  ValueError                                Traceback (most recent call 
    last)
    &lt;ipython-input-34-c2ba85f75012&gt; in &lt;module&gt;()
    3 os.getcwd()
    4 os.chdir('C:/Users/Gururaj/Desktop/tech/python/')
    ----&gt; 5 data = np.genfromtxt("simple.txt", dtype=None, delimiter=",", 
    names=str(False))
    6 print(data[0])
  
    C:\ProgramData\Anaconda3\lib\site-packages\numpy\lib\npyio.py in 
    genfromtxt(fname, dtype, comments, delimiter, skip_header, skip_footer, 
    converters, missing_values, filling_values, usecols, names, excludelist, 
    deletechars, replace_space, autostrip, case_sensitive, defaultfmt, unpack, 
    usemask, loose, invalid_raise, max_rows)
    1874             ddtype = list(zip(names, column_types))
    1875             mdtype = list(zip(names, [np.bool] * len(column_types)))
    -&gt; 1876         output = np.array(data, dtype=ddtype)
    1877         if usemask:
    1878             outputmask = np.array(masks, dtype=mdtype)
  
    ValueError: size of tuple must match number of fields.
    ===========================================================
    Data in file:
    this,is,me,learning
    monty,pythons,flying,circus
    sounds,exciting,but,hmm
  </code></pre>
  
  <p>Kindly help as I've only started learning Python basics now.</p>