chore: Run pyupgrade --py38-plus **/*.py

agate/mapped_sequence.py

@@ -65,7 +65,7 @@ def __unicode__(self):
         if len(self) > 5:
             sample = '%s, ...' % sample
 
-        return '<agate.{}: ({})>'.format(type(self).__name__, sample)
+        return f'<agate.{type(self).__name__}: ({sample})>'
 
     def __str__(self):
         """

agate/table/__init__.py

@@ -130,7 +130,7 @@ def __init__(self, rows, column_names=None, column_types=None, row_names=None, _
                     try:
                         row_values.append(cast_funcs[j](d))
                     except CastError as e:
-                        raise CastError(str(e) + ' Error at row {} column {}.'.format(i, self._column_names[j]))
+                        raise CastError(str(e) + f' Error at row {i} column {self._column_names[j]}.')
 
                 new_rows.append(Row(row_values, self._column_names))
         else:

agate/table/bins.py

@@ -63,7 +63,7 @@ def name_bin(i, j, first_exclusive=True, last_exclusive=False):
         exclusive = format_decimal(j, format=break_formatter)
 
         output = '[' if first_exclusive else '('
-        output += '{} - {}'.format(inclusive, exclusive)
+        output += f'{inclusive} - {exclusive}'
         output += ']' if last_exclusive else ')'
 
         return output

agate/table/print_bars.py

@@ -175,7 +175,7 @@ def write(line):
         output.write(line + '\n')
 
     # Chart top
-    top_line = '{} {}'.format(y_label.ljust(max_label_width), x_label.rjust(max_value_width))
+    top_line = f'{y_label.ljust(max_label_width)} {x_label.rjust(max_value_width)}'
     write(top_line)
 
     # Bars
@@ -210,7 +210,7 @@ def write(line):
 
         bar = bar.ljust(plot_width)
 
-        write('{} {} {}'.format(label_text, value_text, bar))
+        write(f'{label_text} {value_text} {bar}')
 
     # Axis & ticks
     axis = horizontal_line * plot_width

agate/table/print_table.py

@@ -137,7 +137,7 @@ def write_row(formatted_row):
 
         text = v_line.join(row_output)
 
-        write('{}{}{}'.format(v_line, text, v_line))
+        write(f'{v_line}{text}{v_line}')
 
     divider = '{v_line} {columns} {v_line}'.format(
         v_line=v_line,

tests/test_py3.py

@@ -240,5 +240,5 @@ def test_sniffer(self):
             actual = csv_py3.Sniffer().sniff(contents).__dict__
             expected = csv.Sniffer().sniff(contents).__dict__
 
-            self.assertEqual(direct, expected, '{!r} != {!r}'.format(direct, expected))
-            self.assertEqual(actual, expected, '{!r} != {!r}'.format(actual, expected))
+            self.assertEqual(direct, expected, f'{direct!r} != {expected!r}')
+            self.assertEqual(actual, expected, f'{actual!r} != {expected!r}')