diff --git a/labm8/py/bazelutil.py b/labm8/py/bazelutil.py
index f839dd05d..581207cd2 100644
--- a/labm8/py/bazelutil.py
+++ b/labm8/py/bazelutil.py
@@ -251,15 +251,14 @@ def GetDependentFiles(
     targets = stdout.rstrip().split("\n")
 
     # Now get the transitive dependencies of each target.
-    targets = [target for target in targets if target not in excluded_targets]
-    all_targets = targets.copy()
-    for i, target in enumerate(targets):
-      app.Log(
-        1,
-        "Collecting transitive deps for target %d of %d: %s",
-        i + 1,
-        len(targets),
-        target,
+    targets = sorted(
+      [target for target in targets if target not in excluded_targets]
+    )
+    all_targets = set(targets)
+    for i, target in enumerate(targets, start=1):
+      print(
+        f"\r\033[KCollecting transitive dependencies ({len(all_targets)}): {target}",
+        end="",
       )
       bazel = self.BazelQuery([f"deps({target})"], stdout=subprocess.PIPE)
       grep = subprocess.Popen(
@@ -276,11 +275,14 @@ def GetDependentFiles(
         raise OSError("grep of bazel query output failed")
 
       deps = stdout.rstrip().split("\n")
-      all_targets += [
-        target for target in deps if target not in excluded_targets
-      ]
-
-    paths = [self.MaybeTargetToPath(target) for target in all_targets]
+      all_targets = all_targets.union(set(deps))
+
+    print(f"\r\033[KCollected {len(all_targets)} transitive deps")
+    paths = [
+      self.MaybeTargetToPath(target)
+      for target in all_targets
+      if not target in excluded_targets
+    ]
     return [path for path in paths if path]
 
   def GetBuildFiles(self, target: str) -> typing.List[pathlib.Path]:
diff --git a/labm8/py/fs.py b/labm8/py/fs.py
index de70230d7..320acaeee 100644
--- a/labm8/py/fs.py
+++ b/labm8/py/fs.py
@@ -465,8 +465,8 @@ def read(*components, **kwargs):
 
   # Multiple definitions to handle all cases.
   if ignore_comments:
-    comment_line_re = re.compile("^\s*{char}".format(char=comment_char))
-    not_comment_re = re.compile("[^{char}]+".format(char=comment_char))
+    comment_line_re = re.compile(r"^\s*{char}".format(char=comment_char))
+    not_comment_re = re.compile(r"[^{char}]+".format(char=comment_char))
 
     if rstrip:
       # Ignore comments, and right strip results.
diff --git a/labm8/py/labtypes.py b/labm8/py/labtypes.py
index 4c2d13385..9977bd7d2 100644
--- a/labm8/py/labtypes.py
+++ b/labm8/py/labtypes.py
@@ -17,7 +17,7 @@
 import itertools
 import sys
 import typing
-from collections import Mapping
+from collections.abc import Mapping
 
 from six import string_types