diff --git a/doc_src/conf.py b/doc_src/conf.py
index 2ac442154..a105fdfcd 100644
--- a/doc_src/conf.py
+++ b/doc_src/conf.py
@@ -31,16 +31,16 @@ def issue_role(name, rawtext, text, lineno, inliner, options=None, content=None)
         if issue_num <= 0:
             raise ValueError
     except ValueError:
-        msg = inliner.reporter.error(
-            'Invalid issue number: "%s"' % text, line=lineno)
+        msg = inliner.reporter.error('Invalid issue number: "%s"' % text, line=lineno)
         prb = inliner.problematic(rawtext, rawtext, msg)
         return [prb], [msg]
-    template=issue_url + "/{n}"
+    template = issue_url + "/{n}"
     ref = template.format(n=issue_num)
     issue_text = "#{issue_no}".format(issue_no=issue_num)
     link = nodes.reference(text=issue_text, refuri=ref, **options)
     return [link], []
 
+
 # -- Load our extensions -------------------------------------------------
 def setup(app):
     # Our own pygments lexer
diff --git a/share/tools/web_config/webconfig.py b/share/tools/web_config/webconfig.py
index 07e17183c..a46aacbaa 100755
--- a/share/tools/web_config/webconfig.py
+++ b/share/tools/web_config/webconfig.py
@@ -532,7 +532,11 @@ def append_html_for_ansi_escape(full_val, result, span_open):
     if match is not None:
         close_span()
         # Just use the rgb values directly
-        html_color = "#%02x%02x%02x" % (int(match.group(1)), int(match.group(2)), int(match.group(3)))
+        html_color = "#%02x%02x%02x" % (
+            int(match.group(1)),
+            int(match.group(2)),
+            int(match.group(3)),
+        )
         result.append('<span style="color: ' + html_color + '">')
         return True  # span now open
 
diff --git a/src/builtin_math.cpp b/src/builtin_math.cpp
index 2bf6514d1..7a878b70a 100644
--- a/src/builtin_math.cpp
+++ b/src/builtin_math.cpp
@@ -72,8 +72,8 @@ static int parse_cmd_opts(math_cmd_opts_t &opts, int *optind,  //!OCLINT(high nc
                 } else {
                     opts.base = fish_wcstoi(w.woptarg);
                     if (errno || (opts.base != 8 && opts.base != 16)) {
-                        streams.err.append_format(_(L"%ls: '%ls' is not a valid base value\n"),
-                                                  cmd, w.woptarg);
+                        streams.err.append_format(_(L"%ls: '%ls' is not a valid base value\n"), cmd,
+                                                  w.woptarg);
                         return STATUS_INVALID_ARGS;
                     }
                 }
@@ -99,8 +99,8 @@ static int parse_cmd_opts(math_cmd_opts_t &opts, int *optind,  //!OCLINT(high nc
         }
     }
     if (opts.have_scale && opts.scale != 0 && opts.base != 10) {
-        streams.err.append_format(_(L"%ls: Bases other than 10 can only do scale=0 output currently\n"),
-                                  cmd, w.woptarg);
+        streams.err.append_format(
+            _(L"%ls: Bases other than 10 can only do scale=0 output currently\n"), cmd, w.woptarg);
         return STATUS_INVALID_ARGS;
     }
 
@@ -197,7 +197,6 @@ static wcstring format_double(double v, const math_cmd_opts_t &opts) {
         return format_string(L"%.*f", opts.scale, v);
     }
 
-
     wcstring ret = format_string(L"%.*f", opts.scale, v);
     // If we contain a decimal separator, trim trailing zeros after it, and then the separator
     // itself if there's nothing after it. Detect a decimal separator as a non-digit.
diff --git a/src/builtin_string.cpp b/src/builtin_string.cpp
index 234a9d1f7..bc3b0144a 100644
--- a/src/builtin_string.cpp
+++ b/src/builtin_string.cpp
@@ -1058,7 +1058,7 @@ class pcre2_matcher_t : public string_matcher_t {
         // See pcre2demo.c for an explanation of this logic.
         PCRE2_SIZE arglen = arg.length();
         auto rc = report_match(arg, pcre2_match(regex.code, PCRE2_SPTR(arg.c_str()), arglen, 0, 0,
-                                               regex.match, nullptr));
+                                                regex.match, nullptr));
         // We only import variables for the *first matching argument*
         bool had_match = false;
         if (rc == match_result_t::match && !imported_vars) {
diff --git a/src/complete.cpp b/src/complete.cpp
index 7fffa70b4..c321f3989 100644
--- a/src/complete.cpp
+++ b/src/complete.cpp
@@ -244,9 +244,7 @@ bool completion_receiver_t::add(completion_t &&comp) {
     return true;
 }
 
-bool completion_receiver_t::add(wcstring &&comp) {
-    return this->add(std::move(comp), wcstring{});
-}
+bool completion_receiver_t::add(wcstring &&comp) { return this->add(std::move(comp), wcstring{}); }
 
 bool completion_receiver_t::add(wcstring &&comp, wcstring desc, complete_flags_t flags,
                                 string_fuzzy_match_t match) {
diff --git a/src/fish_test_helper.cpp b/src/fish_test_helper.cpp
index 13e1ecc45..1270772db 100644
--- a/src/fish_test_helper.cpp
+++ b/src/fish_test_helper.cpp
@@ -127,7 +127,6 @@ static void print_stop_cont() {
             exit(0);
         }
     }
-
 }
 
 static void show_help();
diff --git a/src/reader.cpp b/src/reader.cpp
index f594d877c..8e4b6a44e 100644
--- a/src/reader.cpp
+++ b/src/reader.cpp
@@ -3694,7 +3694,7 @@ maybe_t<wcstring> reader_data_t::readline(int nchars_or_0) {
     history_search.reset();
 
     // Get the current terminal modes. These will be restored when the function returns.
-    struct termios old_modes{};
+    struct termios old_modes {};
     if (tcgetattr(conf.in, &old_modes) == -1 && errno == EIO) redirect_tty_output();
 
     // Set the new modes.
diff --git a/src/tinyexpr.cpp b/src/tinyexpr.cpp
index f6b11c3fd..d858bf284 100644
--- a/src/tinyexpr.cpp
+++ b/src/tinyexpr.cpp
@@ -222,7 +222,8 @@ static const te_builtin *find_builtin(const char *name, int len) {
                                                    return std::strncmp(lhs.name, rhs, len) < 0;
                                                });
     // We need to compare again because we might have gotten the first "larger" element.
-    if (found != end && std::strncmp(found->name, name, len) == 0 && found->name[len] == 0) return found;
+    if (found != end && std::strncmp(found->name, name, len) == 0 && found->name[len] == 0)
+        return found;
     return nullptr;
 }
 
diff --git a/tests/pexpects/fg2.py b/tests/pexpects/fg2.py
index a02d5429e..a01b94bd7 100644
--- a/tests/pexpects/fg2.py
+++ b/tests/pexpects/fg2.py
@@ -41,7 +41,7 @@ send("\x1A")
 sleep(0.1)
 expect_prompt("has stopped")
 sendline("fg")
-sleep(0.1) # allow tty to transfer
+sleep(0.1)  # allow tty to transfer
 send("\x03")  # control-c to cancel it
 
 expect_prompt()
@@ -51,13 +51,13 @@ expect_prompt("jobs: There are no jobs")
 # Regression test for #2214: foregrounding from a key binding works!
 sendline(r"bind \cr 'fg >/dev/null 2>/dev/null'")
 expect_prompt()
-sendline("$fish_test_helper print_stop_cont");
+sendline("$fish_test_helper print_stop_cont")
 sleep(0.2)
 
-send("\x1A") # ctrl-z
+send("\x1A")  # ctrl-z
 expect_prompt("SIGTSTP")
 sleep(0.1)
-send("\x12") # ctrl-r, placing fth in foreground
+send("\x12")  # ctrl-r, placing fth in foreground
 expect_str("SIGCONT")
 
 # Do it again.
diff --git a/tests/pexpects/pipeline.py b/tests/pexpects/pipeline.py
index 0afec9187..129bc2411 100644
--- a/tests/pexpects/pipeline.py
+++ b/tests/pexpects/pipeline.py
@@ -2,7 +2,12 @@
 from pexpect_helper import SpawnedProc
 
 sp = SpawnedProc()
-send, sendline, expect_prompt, expect_str = sp.send, sp.sendline, sp.expect_prompt, sp.expect_str
+send, sendline, expect_prompt, expect_str = (
+    sp.send,
+    sp.sendline,
+    sp.expect_prompt,
+    sp.expect_str,
+)
 
 expect_prompt()
 sendline("function echo_wrap ; /bin/echo $argv ; sleep 0.1; end")