add flake8-debugger plugin to detect pdb/set_trace() lines

Makefile

@@ -15,9 +15,10 @@ DEPS = \
 	concurrencytest \
 	coverage \
 	flake8 \
+	flake8-blind-except \
 	flake8-bugbear \
+	flake8-debugger \
 	flake8-print \
-	flake8-blind-except \
 	isort \
 	pyperf \
 	pypinfo \

scripts/internal/git_pre_commit.py

@@ -109,10 +109,10 @@ def main():
                 print("%s:%s %r" % (path, lineno, line))
                 return exit("space at end of line")
             line = line.rstrip()
-            # pdb
-            if "pdb.set_trace" in line:
-                print("%s:%s %s" % (path, lineno, line))
-                return exit("you forgot a pdb in your python code")
+            # # pdb (now provided by flake8-debugger plugin)
+            # if "pdb.set_trace" in line:
+            #     print("%s:%s %s" % (path, lineno, line))
+            #     return exit("you forgot a pdb in your python code")
             # # bare except clause (now provided by flake8-blind-except plugin)
             # if "except:" in line and not line.endswith("# NOQA"):
             #     print("%s:%s %s" % (path, lineno, line))

scripts/internal/winmake.py

@@ -41,14 +41,18 @@
 DEPS = [
     "coverage",
     "flake8",
+    "flake8-blind-except",
+    "flake8-bugbear",
+    "flake8-debugger",
+    "flake8-print",
     "nose",
     "pdbpp",
     "pip",
     "pyperf",
     "pyreadline",
+    "requests"
     "setuptools",
     "wheel",
-    "requests"
 ]
 if sys.version_info[:2] <= (2, 7):
     DEPS.append('mock')