old_contents: #!/usr/bin/env python
  """Generate fixtures."""
  
  import os
  import json
  from math import pi
  import numpy as np
  from scipy import special
  
  
  # 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, name):
      """Generate fixture data and write to file.
  
      # Arguments
  
      * `x`: domain
      * `name::str`: filepath of the output file
  
      # Examples
  
      ``` python
      python> x = linspace(-1000, 1000, 2001)
      python> gen(x, \"./data.json\")
      ```
      """
      y = special.cosm1(x)
      data = {
          "x": x.tolist(),
          "expected": y.tolist()
      }
  
      # Based on the script directory, create an output filepath:
      filepath = os.path.join(dir, name)
  
      with open(filepath, 'w') as outfile:
          json.dump(data, outfile)
  
  
  def main():
      """Generate fixture data."""
      x = np.linspace(-pi/4, pi/4, 2003)
      gen(x, "data.json")
  
  
  if __name__ == "__main__":
      main()
  
new_contents: #!/usr/bin/env python
  """Generate fixtures."""
  
  import os
  import json
  from math import pi
  import numpy as np
  from scipy.special import cosm1
  
  # 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, name):
      """Generate fixture data and write to file.
  
      # Arguments
  
      * `x`: domain
      * `name::str`: filepath of the output file
  
      # Examples
  
      ``` python
      python> x = linspace(-1000, 1000, 2001)
      python> gen(x, './data.json')
      ```
      """
      y = cosm1(x)
      data = {
          "x": x.tolist(),
          "expected": y.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.linspace(-pi/4, pi/4, 2003)
      gen(x, "data.json")
  
  
  if __name__ == "__main__":
      main()
  
subject: Fix lint errors