Apply ruff/flake8-comprehensions rule C417

C417 Unnecessary `map` usage (rewrite using a generator expression)

benchmark/benchmark.py

@@ -75,7 +75,7 @@ def benchmark(n):
     results = [
         (desc, timeit(code, setup_code, number=n) / n * 1e6) for desc, code in methods
     ]
-    mintime = min(map(lambda x: x[1], results))
+    mintime = min((x[1] for x in results))
     results = [
         (desc, t, t / mintime) for desc, t in sorted(results, key=lambda x: x[1])
     ]

tabulate/__init__.py

@@ -1548,7 +1548,7 @@ def _normalize_tabular_data(tabular_data, headers, showindex="default"):
 
     headers = list(map(str, headers))
     #    rows = list(map(list, rows))
-    rows = list(map(lambda r: r if _is_separating_line(r) else list(r), rows))
+    rows = [r if _is_separating_line(r) else list(r) for r in rows]
 
     # add or remove an index column
     showindex_is_a_str = type(showindex) in [str, bytes]

test/test_input.py

@@ -12,7 +12,7 @@
 
 def test_iterable_of_iterables():
     "Input: an iterable of iterables."
-    ii = iter(map(lambda x: iter(x), [range(5), range(5, 0, -1)]))
+    ii = iter((iter(x) for x in [range(5), range(5, 0, -1)]))
     expected = "\n".join(
         ["-  -  -  -  -", "0  1  2  3  4", "5  4  3  2  1", "-  -  -  -  -"]
     )
@@ -22,7 +22,7 @@ def test_iterable_of_iterables():
 
 def test_iterable_of_iterables_headers():
     "Input: an iterable of iterables with headers."
-    ii = iter(map(lambda x: iter(x), [range(5), range(5, 0, -1)]))
+    ii = iter((iter(x) for x in [range(5), range(5, 0, -1)]))
     expected = "\n".join(
         [
             "  a    b    c    d    e",
@@ -37,7 +37,7 @@ def test_iterable_of_iterables_headers():
 
 def test_iterable_of_iterables_firstrow():
     "Input: an iterable of iterables with the first row as headers"
-    ii = iter(map(lambda x: iter(x), ["abcde", range(5), range(5, 0, -1)]))
+    ii = iter((iter(x) for x in ["abcde", range(5), range(5, 0, -1)]))
     expected = "\n".join(
         [
             "  a    b    c    d    e",