old_contents: import pytest
  
  import pandas as pd
  import numpy as np
  
  from os import stat
  from io import StringIO
  
  from epic.bigwig.create_bigwigs import _create_bigwig
  
  
  @pytest.fixture
  def input_data():
      contents = """Chromosome Bin End examples/test.bed
  chr1 887600 887799 0
  chr1 994600 994799 0
  chr1 1041000 1041199 0
  chr1 1325200 1325399 1
  chr1 1541600 1541799 1
  chr1 1599000 1599199 1
  chr1 1770200 1770399 0
  chr1 1820200 1820399 1
  chr1 1995000 1995199 0
  chr1 2063800 2063999 0
  chr1 2129400 2129599 0
  chr1 2239000 2239199 0
  chr1 2318800 2318999 0
  chr1 2448200 2448399 1
  chr1 3006000 3006199 0
  chr1 3046000 3046199 1
  chr1 3089200 3089399 0
  chr1 3093800 3093999 0
  chr1 3096400 3096599 0"""
  
      return pd.read_table(StringIO(contents), sep="\s+", index_col=[0, 1, 2])
  
  
  @pytest.fixture
  def output_bigwig(tmpdir):
      p = tmpdir.mkdir("sub").join("outfile.bw")
      return str(p)
  
  
  @pytest.mark.unit
  def test_create_bigwigs(input_data, output_bigwig, args_200):
  
      _create_bigwig(input_data, output_bigwig, args_200)
  
      filesize = stat(output_bigwig).st_size
  
      print(filesize, "filesize")
  
      assert filesize > 0
  
new_contents: import pytest
  
  import pandas as pd
  import numpy as np
  
  from os import stat
  from io import StringIO
  
  from epic.bigwig.create_bigwigs import _create_bigwig
  
  
  @pytest.fixture
  def input_data():
      contents = u"""Chromosome Bin End examples/test.bed
  chr1 887600 887799 0
  chr1 994600 994799 0
  chr1 1041000 1041199 0
  chr1 1325200 1325399 1
  chr1 1541600 1541799 1
  chr1 1599000 1599199 1
  chr1 1770200 1770399 0
  chr1 1820200 1820399 1
  chr1 1995000 1995199 0
  chr1 2063800 2063999 0
  chr1 2129400 2129599 0
  chr1 2239000 2239199 0
  chr1 2318800 2318999 0
  chr1 2448200 2448399 1
  chr1 3006000 3006199 0
  chr1 3046000 3046199 1
  chr1 3089200 3089399 0
  chr1 3093800 3093999 0
  chr1 3096400 3096599 0"""
  
      return pd.read_table(StringIO(contents), sep="\s+", index_col=[0, 1, 2])
  
  
  @pytest.fixture
  def output_bigwig(tmpdir):
      p = tmpdir.mkdir("sub").join("outfile.bw")
      return str(p)
  
  
  @pytest.mark.unit
  def test_create_bigwigs(input_data, output_bigwig, args_200):
  
      _create_bigwig(input_data, output_bigwig, args_200)
  
      filesize = stat(output_bigwig).st_size
  
      print(filesize, "filesize")
  
      assert filesize > 0
  
subject: Fix test bigwig unicode