Manual fix the implicit string/bytes concatenation

testing/test_assertrewrite.py

@@ -1867,13 +1867,13 @@ def test_simple():
             id="assert statement not on own line",
         ),
         pytest.param(
-            b"def x():\n" b"    assert 1\n" b"    assert 1+2\n",
+            b"def x():\n    assert 1\n    assert 1+2\n",
             {2: "1", 3: "1+2"},
             id="multiple assertions",
         ),
         pytest.param(
             # changes in encoding cause the byte offsets to be different
-            "# -*- coding: latin1\n" "def ÀÀÀÀÀ(): assert 1\n".encode("latin1"),
+            "# -*- coding: latin1\ndef ÀÀÀÀÀ(): assert 1\n".encode("latin1"),
             {2: "1"},
             id="latin1 encoded on first line\n",
         ),
@@ -1884,22 +1884,22 @@ def test_simple():
             id="utf-8 encoded on first line",
         ),
         pytest.param(
-            b"def x():\n" b"    assert (\n" b"        1 + 2  # comment\n" b"    )\n",
+            b"def x():\n    assert (\n        1 + 2  # comment\n    )\n",
             {2: "(\n        1 + 2  # comment\n    )"},
             id="multi-line assertion",
         ),
         pytest.param(
-            b"def x():\n" b"    assert y == [\n" b"        1, 2, 3\n" b"    ]\n",
+            b"def x():\n    assert y == [\n        1, 2, 3\n    ]\n",
             {2: "y == [\n        1, 2, 3\n    ]"},
             id="multi line assert with list continuation",
         ),
         pytest.param(
-            b"def x():\n" b"    assert 1 + \\\n" b"        2\n",
+            b"def x():\n    assert 1 + \\\n        2\n",
             {2: "1 + \\\n        2"},
             id="backslash continuation",
         ),
         pytest.param(
-            b"def x():\n" b"    assert x, y\n",
+            b"def x():\n    assert x, y\n",
             {2: "x"},
             id="assertion with message",
         ),

testing/test_cacheprovider.py

@@ -1139,7 +1139,7 @@ def test_1(): assert 1
         )
 
         p1.write_text(
-            "def test_1(): assert 1\n" "def test_2(): assert 1\n", encoding="utf-8"
+            "def test_1(): assert 1\ndef test_2(): assert 1\n", encoding="utf-8"
         )
         os.utime(p1, ns=(p1.stat().st_atime_ns, int(1e9)))