fixed some typos.

Tests are not yet working.

tests/test_combine_contributor_files.py

@@ -18,7 +18,7 @@ def test_process_input_files(mock_exists):
     # Check if the output file was written as expected
     mock_open = mock.mock_open()
     with mock.patch('builtins.open', mock_open):
-        combine_contribitors_files.main()
+        combine_contributor_files.main()
     mock_open.assert_called_with('output.txt', 'w')
     handle = mock_open()
     handle.write.assert_called_with("1\n2\n3\n")
@@ -47,12 +47,9 @@ def test_invalid_timeseries_id():
     # Verify
     mock_log_exception.assert_called_with('Invalid timeseries id: invalid. Expecting integer.')
 
-from unittest import mock
-import combine_contributors_files
-
 @mock.patch('os.path.exists', return_value=True)
 @mock.patch('builtins.open', mock.mock_open())
-@mock.patch('combine_contributors_files.toargridding_defaultLogging')
+@mock.patch('combine_contributor_files.toargridding_defaultLogging')
 def test_combine_files_with_duplicate_ids(mock_logging_setup):
     # Mock input files content
     mock_open = mock.mock_open(read_data="1\n2\n3\n")
@@ -65,7 +62,7 @@ def test_combine_files_with_duplicate_ids(mock_logging_setup):
     # Setup arguments to mimic command-line input
     test_args = ["script_name", "--input_files", "file1.txt", "file2.txt", "file3.txt", "--output", "output.txt"]
     with mock.patch('sys.argv', test_args), mock.patch('builtins.open', mock_open):
-        combine_contributors_files.main()  # Assuming your script has a main function to initiate processing
+        combine_contributor_files.main()  # Assuming your script has a main function to initiate processing
 
     # Verify that the output file was written correctly
     # Expected output: 1, 2, 3, 4, 5, 6, 7, 8 (each number on a new line, sorted)