--- a/hgext3rd/evolve/__init__.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/__init__.py	Tue Aug 06 11:26:29 2019 +0200
@@ -1291,7 +1291,7 @@
     Exist as a separated function to allow the evolve extension for a more
     subtle handling.
     """
-    if 'debugobsconvert' in sys.argv:
+    if r'debugobsconvert' in sys.argv:
         return
     for mark in markers:
         if node.nullid in mark[1]:

--- a/hgext3rd/evolve/cmdrewrite.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/cmdrewrite.py	Tue Aug 06 11:26:29 2019 +0200
@@ -1015,9 +1015,9 @@
     fold = opts.get('fold')
     split = opts.get('split')
 
-    options = [o for o in ('pair', 'fold', 'split') if opts.get(o)]
+    options = [o for o in (r'pair', r'fold', r'split') if opts.get(o)]
     if 1 < len(options):
-        _opts = pycompat.sysbytes(', '.join(options))
+        _opts = pycompat.sysbytes(r', '.join(options))
         raise error.Abort(_("can only specify one of %s") % _opts)
 
     if bookmarks:

--- a/hgext3rd/evolve/compat.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/compat.py	Tue Aug 06 11:26:29 2019 +0200
@@ -79,7 +79,7 @@
         ui.progress(topic, pos, item, unit, total)
 
 # XXX: Better detection of property cache
-if 'predecessors' not in dir(obsolete.obsstore):
+if r'predecessors' not in dir(obsolete.obsstore):
     @property
     def predecessors(self):
         return self.precursors
@@ -90,13 +90,13 @@
     # XXX Would it be better at the module level?
     varnames = context.memfilectx.__init__.__code__.co_varnames
 
-    if "copysource" in varnames:
+    if r"copysource" in varnames:
         mctx = context.memfilectx(repo, ctx, fctx.path(), fctx.data(),
                                   islink='l' in flags,
                                   isexec='x' in flags,
                                   copysource=copied.get(path))
     # compat with hg <- 4.9
-    elif varnames[2] == "changectx":
+    elif varnames[2] == r"changectx":
         mctx = context.memfilectx(repo, ctx, fctx.path(), fctx.data(),
                                   islink='l' in flags,
                                   isexec='x' in flags,
@@ -116,10 +116,10 @@
     # hg < 4.6 compat 8b6dd3922f70
     if util.safehasattr(inspect, 'signature'):
         signature = inspect.signature(mdiff.unidiff)
-        needsbinary = 'binary' in signature.parameters
+        needsbinary = r'binary' in signature.parameters
     else:
         argspec = inspect.getargspec(mdiff.unidiff)
-        needsbinary = 'binary' in argspec.args
+        needsbinary = r'binary' in argspec.args
 
     if needsbinary:
         args.append(False)

--- a/hgext3rd/evolve/depthcache.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/depthcache.py	Tue Aug 06 11:26:29 2019 +0200
@@ -79,7 +79,7 @@
 
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'depthcache' in vars(self):
+            if r'depthcache' in vars(self):
                 self.depthcache.clear()
             super(depthcacherepo, self).destroyed()
 

--- a/hgext3rd/evolve/evolvecmd.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/evolvecmd.py	Tue Aug 06 11:26:29 2019 +0200
@@ -1644,7 +1644,7 @@
     elif len(specifiedcategories) == 1:
         targetcat = specifiedcategories[0]
 
-    ui.setconfig('ui', 'forcemerge', opts.get('tool', ''), 'evolve')
+    ui.setconfig('ui', 'forcemerge', opts.get('tool', r''), 'evolve')
 
     evolvestate = state.cmdstate(repo)
     # Continuation handling

--- a/hgext3rd/evolve/firstmergecache.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/firstmergecache.py	Tue Aug 06 11:26:29 2019 +0200
@@ -41,7 +41,7 @@
 
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'firstmergecach' in vars(self):
+            if r'firstmergecach' in vars(self):
                 self.firstmergecache.clear()
             super(firstmergecacherepo, self).destroyed()
 

--- a/hgext3rd/evolve/legacy.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/legacy.py	Tue Aug 06 11:26:29 2019 +0200
@@ -50,7 +50,7 @@
         evolveopts = 'all'
         ui.setconfig('experimental', 'evolution', evolveopts)
     for arg in sys.argv:
-        if 'debugc' in arg:
+        if r'debugc' in arg:
             break
     else:
         data = repo.vfs.tryread('obsolete-relations')

--- a/hgext3rd/evolve/obscache.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/obscache.py	Tue Aug 06 11:26:29 2019 +0200
@@ -82,7 +82,7 @@
 def markersfrom(obsstore, byteoffset, firstmarker):
     if not firstmarker:
         return list(obsstore)
-    elif '_all' in vars(obsstore):
+    elif r'_all' in vars(obsstore):
         # if the data are in memory, just use that
         return obsstore._all[firstmarker:]
     else:
@@ -339,7 +339,7 @@
     def _setdata(self, data):
         """set a new bytearray data, invalidating the 'get' shortcut if needed"""
         self._data = data
-        if 'get' in vars(self):
+        if r'get' in vars(self):
             del self.get
 
     def clear(self, reset=False):
@@ -476,7 +476,7 @@
 
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'obsstore' in vars(self):
+            if r'obsstore' in vars(self):
                 self.obsstore.obscache.clear()
             super(obscacherepo, self).destroyed()
 

--- a/hgext3rd/evolve/obsdiscovery.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/obsdiscovery.py	Tue Aug 06 11:26:29 2019 +0200
@@ -353,7 +353,7 @@
         self._new.clear()
         if reset:
             self._valid = False
-        if '_con' in vars(self):
+        if r'_con' in vars(self):
             del self._con
 
     def get(self, rangeid):
@@ -377,7 +377,7 @@
             except (sqlite3.DatabaseError, sqlite3.OperationalError):
                 # something is wrong with the sqlite db
                 # Since this is a cache, we ignore it.
-                if '_con' in vars(self):
+                if r'_con' in vars(self):
                     del self._con
                 self._new.clear()
         return value
@@ -528,7 +528,7 @@
         repo = repo.unfiltered()
         try:
             with repo.lock():
-                if 'stablerange' in vars(repo):
+                if r'stablerange' in vars(repo):
                     repo.stablerange.save(repo)
                 self._save(repo)
         except error.LockError:
@@ -548,7 +548,7 @@
             #
             # operational error catch read-only and locked database
             # IntegrityError catch Unique constraint error that may arise
-            if '_con' in vars(self):
+            if r'_con' in vars(self):
                 del self._con
             self._new.clear()
             repo.ui.log('evoext-cache', 'error while saving new data: %s' % exc)
@@ -557,7 +557,7 @@
     def _trysave(self, repo):
         if self._con is None:
             util.unlinkpath(self._path, ignoremissing=True)
-            if '_con' in vars(self):
+            if r'_con' in vars(self):
                 del self._con
 
             con = self._db()
@@ -585,7 +585,7 @@
                 repo.ui.warn(msg)
                 self._new.clear()
                 self._valid = False
-                if '_con' in vars(self):
+                if r'_con' in vars(self):
                     del self._con
                 self._valid = False
                 return
@@ -618,7 +618,7 @@
     class obshashrepo(repo.__class__):
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'obsstore' in vars(self):
+            if r'obsstore' in vars(self):
                 self.obsstore.rangeobshashcache.clear()
             toplevel = not util.safehasattr(self, '_destroying')
             if toplevel:

--- a/hgext3rd/evolve/obsexchange.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/obsexchange.py	Tue Aug 06 11:26:29 2019 +0200
@@ -83,12 +83,12 @@
     return ret
 
 def _getbundleobsmarkerpart(orig, bundler, repo, source, **kwargs):
-    if not (set(['evo_obscommon', 'evo_missing_nodes']) & set(kwargs)):
+    if not (set([r'evo_obscommon', r'evo_missing_nodes']) & set(kwargs)):
         return orig(bundler, repo, source, **kwargs)
 
     if kwargs.get('obsmarkers', False):
         heads = kwargs.get('heads')
-        if 'evo_obscommon' in kwargs:
+        if r'evo_obscommon' in kwargs:
             if heads is None:
                 heads = repo.heads()
             obscommon = kwargs.get('evo_obscommon', ())

--- a/hgext3rd/evolve/stablerangecache.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/stablerangecache.py	Tue Aug 06 11:26:29 2019 +0200
@@ -223,7 +223,7 @@
             except (sqlite3.DatabaseError, sqlite3.OperationalError):
                 # something is wrong with the sqlite db
                 # Since this is a cache, we ignore it.
-                if '_con' in vars(self):
+                if r'_con' in vars(self):
                     del self._con
                 self._unsavedsubranges.clear()
 
@@ -278,7 +278,7 @@
             #
             # operational error catch read-only and locked database
             # IntegrityError catch Unique constraint error that may arise
-            if '_con' in vars(self):
+            if r'_con' in vars(self):
                 del self._con
             self._unsavedsubranges.clear()
             repo.ui.log('evoext-cache', 'error while saving new data: %s' % exc)
@@ -294,7 +294,7 @@
 
         if self._con is None:
             util.unlinkpath(self._path, ignoremissing=True)
-            if '_con' in vars(self):
+            if r'_con' in vars(self):
                 del self._con
 
             con = self._db()
@@ -375,7 +375,7 @@
 
     def clear(self, reset=False):
         super(stablerangesql, self).clear(reset=reset)
-        if '_con' in vars(self):
+        if r'_con' in vars(self):
             del self._con
         self._subrangescache.clear()
 
@@ -436,7 +436,7 @@
 
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'stablerange' in vars(self):
+            if r'stablerange' in vars(self):
                 self.stablerange.clear()
                 del self.stablerange
             super(stablerangerepo, self).destroyed()

--- a/hgext3rd/evolve/stablesort.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/evolve/stablesort.py	Tue Aug 06 11:26:29 2019 +0200
@@ -669,7 +669,7 @@
 
         @localrepo.unfilteredmethod
         def destroyed(self):
-            if 'stablesort' in vars(self):
+            if r'stablesort' in vars(self):
                 self.stablesort.clear()
             super(stablesortrepo, self).destroyed()
 

--- a/hgext3rd/serverminitopic.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/serverminitopic.py	Tue Aug 06 11:26:29 2019 +0200
@@ -67,7 +67,7 @@
 
     def _init__(self, *args, **kwargs):
         super(revbranchcacheoverlay, self).__init__(*args, **kwargs)
-        if 'branchinfo' in vars(self):
+        if r'branchinfo' in vars(self):
             del self.branchinfo
 
     def branchinfo(self, rev, changelog=None):
@@ -95,7 +95,7 @@
                     class topicawarerbc(revbranchcacheoverlay, cache.__class__):
                         pass
                     cache.__class__ = topicawarerbc
-                    if 'branchinfo' in vars(cache):
+                    if r'branchinfo' in vars(cache):
                         del cache.branchinfo
                     self._revbranchcache = cache
                 return self._revbranchcache

--- a/hgext3rd/topic/__init__.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/topic/__init__.py	Tue Aug 06 11:26:29 2019 +0200
@@ -242,7 +242,7 @@
 
 # we need to do old style declaration for <= 4.5
 templatekeyword = registrar.templatekeyword()
-post45template = 'requires=' in templatekeyword.__doc__
+post45template = r'requires=' in templatekeyword.__doc__
 
 def _contexttopic(self, force=False):
     if not (force or self.mutable()):

--- a/hgext3rd/topic/discovery.py	Tue Aug 06 11:17:38 2019 +0200
+++ b/hgext3rd/topic/discovery.py	Tue Aug 06 11:26:29 2019 +0200
@@ -117,7 +117,7 @@
                     summary[key] = ([value[1][0]], ) + value[1:]
         return summary
     finally:
-        if 'unfiltered' in vars(repo):
+        if r'unfiltered' in vars(repo):
             del repo.unfiltered
         repo.__class__ = oldrepocls
         if remotebranchmap is not None: