Fix a few coding style nits in Buck build Python scripts
- Prefix regex strings with `r`
- Remove unused imports
- Rename variables and parameters to avoid redefinition of
built-in types `dir` and `type`
Change-Id: Ia21667b89631c751f241dd6499a2e460e3435697
diff --git a/Documentation/replace_macros.py b/Documentation/replace_macros.py
index 076cb49..b070062 100755
--- a/Documentation/replace_macros.py
+++ b/Documentation/replace_macros.py
@@ -14,13 +14,12 @@
# limitations under the License.
from optparse import OptionParser
-import os
import re
import sys
-PAT_GERRIT = re.compile('^GERRIT')
-PAT_INCLUDE = re.compile('^(include::.*)(\[\])$')
-PAT_GET = re.compile('^get::([^ \t\n]*)')
+PAT_GERRIT = re.compile(r'^GERRIT')
+PAT_INCLUDE = re.compile(r'^(include::.*)(\[\])$')
+PAT_GET = re.compile(r'^get::([^ \t\n]*)')
GERRIT_UPLINK = """
