reformat with black, fix flake warnings

README.md

@@ -460,10 +460,10 @@ format:
 >>> print(tabulate(table, headers, tablefmt="asciidoc"))
 [cols="8<,7>",options="header"]
 |====
-| item   |   qty 
-| spam   |    42 
-| eggs   |   451 
-| bacon  |     0 
+| item   |   qty
+| spam   |    42
+| eggs   |   451
+| bacon  |     0
 |====
 ```
 

tabulate.py

@@ -207,52 +207,57 @@ def _latex_line_begin_tabular(colwidths, colaligns, booktabs=False, longtable=Fa
         ]
     )
 
+
 def _asciidoc_row(is_header, *args):
-    """ handle header and data rows for asciidoc format """
+    """handle header and data rows for asciidoc format"""
 
     def make_header_line(is_header, colwidths, colaligns):
         # generate the column specifiers
-        
+
         alignment = {"left": "<", "right": ">", "center": "^", "decimal": ">"}
         # use the column widths generated by tabulate for the asciidoc column width specifiers
-        asciidoc_alignments        = zip(colwidths,[alignment[colalign] for colalign in colaligns])
-        asciidoc_column_specifiers = ["{:d}{}".format(width,align) for width, align in asciidoc_alignments]
-        header_list=['cols="'+(','.join(asciidoc_column_specifiers))+'"']
-
+        asciidoc_alignments = zip(
+            colwidths, [alignment[colalign] for colalign in colaligns]
+        )
+        asciidoc_column_specifiers = [
+            "{:d}{}".format(width, align) for width, align in asciidoc_alignments
+        ]
+        header_list = ['cols="' + (",".join(asciidoc_column_specifiers)) + '"']
+
         # generate the list of options (currently only "header")
         options_list = []
-        
+
         if is_header:
-            options_list.append('header')
-            
+            options_list.append("header")
+
         if options_list:
-            header_list += ['options="' + ','.join(options_list) + '"']
-
-        # generate the list of entries in the table header field
+            header_list += ['options="' + ",".join(options_list) + '"']
 
-        return '[{}]\n|===='.format(','.join(header_list))
+        # generate the list of entries in the table header field
 
+        return "[{}]\n|====".format(",".join(header_list))
 
     if len(args) == 2:
         # two arguments are passed if called in the context of aboveline
         # print the table header with column widths and optional header tag
-        return make_header_line(False,*args)
+        return make_header_line(False, *args)
 
     elif len(args) == 3:
         # three arguments are passed if called in the context of dataline or headerline
         # print the table line and make the aboveline if it is a header
-    
+
         cell_values, colwidths, colaligns = args
-        data_line = '|' + '|'.join(cell_values)
-        
+        data_line = "|" + "|".join(cell_values)
+
         if is_header:
-            return make_header_line(True, colwidths, colaligns) + '\n' + data_line
+            return make_header_line(True, colwidths, colaligns) + "\n" + data_line
         else:
             return data_line
 
     else:
         raise ValueError(
-            " _asciidoc_row() requires two (colwidths, colaligns) or three (cell_values, colwidths, colaligns) arguments) "
+            " _asciidoc_row() requires two (colwidths, colaligns) "
+            + "or three (cell_values, colwidths, colaligns) arguments) "
         )
 
 
@@ -660,9 +665,9 @@ def escape_empty(val):
         lineabove=partial(_asciidoc_row, False),
         linebelowheader=None,
         linebetweenrows=None,
-        linebelow=Line("|====","","",""),
+        linebelow=Line("|====", "", "", ""),
         headerrow=partial(_asciidoc_row, True),
-        datarow=partial(_asciidoc_row,   False),
+        datarow=partial(_asciidoc_row, False),
         padding=1,
         with_header_hide=["lineabove"],
     ),
@@ -1735,8 +1740,8 @@ def tabulate(
     ┃ eggs      ┃  451      ┃
     ┗━━━━━━━━━━━┻━━━━━━━━━━━┛
 
-    "mixed_grid" draws a grid using a mix of light (thin) and heavy (thick) lines box-drawing characters:
-    characters:
+    "mixed_grid" draws a grid using a mix of light (thin) and heavy (thick) lines
+    box-drawing characters:
 
     >>> print(tabulate([["spam", 41.9999], ["eggs", "451.0"]],
     ...                ["strings", "numbers"], "mixed_grid"))