old_contents: #!/usr/bin/env python
  """Generate fixtures."""
  
  import os
  import json
  import numpy as np
  from scipy.special import xlogy
  
  # Get the file path:
  FILE = os.path.realpath(__file__)
  
  # Extract the directory in which this file resides:
  DIR = os.path.dirname(FILE)
  
  
  def gen(x, y, name):
      """Generate fixture data and writes them to file.
  
      # Arguments
  
      * `x`: first parameter
      * `y`: second parameter
      * `name::str`: output filename
  
      # Examples
  
      ``` python
      python> x = random(500) * 5.0
      python> y = random(500) * 5.0
      python> gen(x, y, './data.json')
      ```
      """
      out = xlogy(x,y)
  
      # Store data to be written to file as a dictionary:
      data = {
          "x": x.tolist(),
          "y": y.tolist(),
          "expected": out.tolist()
      }
  
      # Based on the script directory, create an output filepath:
      filepath = os.path.join(DIR, name)
  
      # Write the data to the output filepath as JSON:
      with open(filepath, "w") as outfile:
          json.dump(data, outfile)
  
  
  def main():
      """Generate fixture data."""
      x = np.random.random(500) * 5.0
      y = np.random.random(500) * 5.0
      gen(x, y, "small_small.json")
  
      x = np.random.random(500) * 5.0
      y = np.random.random(500) * 100.0
      gen(x, y, "small_large.json")
  
      x = np.random.random(500) * 100.0
      y = np.random.random(500) * 5.0
      gen(x, y, "large_small.json")
  
      x = np.random.random(500) * 100.0
      y = np.random.random(500) * 100.0
      gen(x, y, "large_large.json")
  
  if __name__ == "__main__":
      main()
  
new_contents: #!/usr/bin/env python
  """Generate fixtures."""
  
  import os
  import json
  import numpy as np
  from scipy.special import xlogy
  
  # Get the file path:
  FILE = os.path.realpath(__file__)
  
  # Extract the directory in which this file resides:
  DIR = os.path.dirname(FILE)
  
  
  def gen(x, y, name):
      """Generate fixture data and writes them to file.
  
      # Arguments
  
      * `x`: first parameter
      * `y`: second parameter
      * `name::str`: output filename
  
      # Examples
  
      ``` python
      python> x = random(500) * 5.0
      python> y = random(500) * 5.0
      python> gen(x, y, './data.json')
      ```
      """
      out = xlogy(x, y)
  
      # Store data to be written to file as a dictionary:
      data = {
          "x": x.tolist(),
          "y": y.tolist(),
          "expected": out.tolist()
      }
  
      # Based on the script directory, create an output filepath:
      filepath = os.path.join(DIR, name)
  
      # Write the data to the output filepath as JSON:
      with open(filepath, "w") as outfile:
          json.dump(data, outfile)
  
  
  def main():
      """Generate fixture data."""
      x = np.random.random(500) * 5.0
      y = np.random.random(500) * 5.0
      gen(x, y, "small_small.json")
  
      x = np.random.random(500) * 5.0
      y = np.random.random(500) * 100.0
      gen(x, y, "small_large.json")
  
      x = np.random.random(500) * 100.0
      y = np.random.random(500) * 5.0
      gen(x, y, "large_small.json")
  
      x = np.random.random(500) * 100.0
      y = np.random.random(500) * 100.0
      gen(x, y, "large_large.json")
  
  
  if __name__ == "__main__":
      main()
  
subject: Fix lint errors