From b1b82208b852d77bdc80ba9b4143db7e3bae769c Mon Sep 17 00:00:00 2001
From: Karthikeyan Singaravelan <tir.karthi@gmail.com>
Date: Fri, 11 Sep 2020 14:02:56 +0000
Subject: [PATCH] Fix deprecation warnings due to invalid escape sequences.

---
 callee/base.py        | 2 +-
 callee/collections.py | 2 +-
 callee/numbers.py     | 6 +++---
 callee/operators.py   | 4 ++--
 callee/types.py       | 6 +++---
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/callee/base.py b/callee/base.py
index 2ec63ca..523e3f9 100644
--- a/callee/base.py
+++ b/callee/base.py
@@ -147,7 +147,7 @@ class Matcher(BaseMatcher):
     for better error messages.
     """
     def __repr__(self):
-        """Provides a default ``repr``\ esentation for custom matchers.
+        r"""Provides a default ``repr``\ esentation for custom matchers.
 
         This representation will include matcher class name
         and the values of its public attributes.
diff --git a/callee/collections.py b/callee/collections.py
index ae7360d..ee76532 100644
--- a/callee/collections.py
+++ b/callee/collections.py
@@ -95,7 +95,7 @@ def __init__(self):
 
 
 class Generator(BaseMatcher):
-    """Matches an iterable that's a generator.
+    r"""Matches an iterable that's a generator.
 
     A generator can be a generator expression ("comprehension")
     or an invocation of a generator function (one that ``yield``\ s objects).
diff --git a/callee/numbers.py b/callee/numbers.py
index 064c283..e76928f 100644
--- a/callee/numbers.py
+++ b/callee/numbers.py
@@ -43,7 +43,7 @@ class Number(NumericMatcher):
 
 
 class Complex(NumericMatcher):
-    """Matches any complex number.
+    r"""Matches any complex number.
 
     This *includes* all real, rational, and integer numbers as well,
     which in Python translates to `float`\ s, fractions, and `int`\ egers.
@@ -57,7 +57,7 @@ class Complex(NumericMatcher):
 
 
 class Real(NumericMatcher):
-    """Matches any real number.
+    r"""Matches any real number.
 
     This includes all rational and integer numbers as well, which in Python
     translates to fractions, and `int`\ egers.
@@ -72,7 +72,7 @@ class Float(NumericMatcher):
 
 
 class Rational(NumericMatcher):
-    """Matches a rational number.
+    r"""Matches a rational number.
     This includes all `int`\ eger numbers as well.
     """
     CLASS = numbers.Rational
diff --git a/callee/operators.py b/callee/operators.py
index 2288086..f3fb39a 100644
--- a/callee/operators.py
+++ b/callee/operators.py
@@ -185,7 +185,7 @@ class Shorter(LengthMatcher):
 
 
 class ShorterOrEqual(LengthMatcher):
-    """Matches values that are shorter than,
+    r"""Matches values that are shorter than,
     or equal in ``len``\ gth to (as per ``<=`` operator), given object.
     """
     OP = operator.le
@@ -203,7 +203,7 @@ class Longer(LengthMatcher):
 
 
 class LongerOrEqual(LengthMatcher):
-    """Matches values that are longer than,
+    r"""Matches values that are longer than,
     or equal in ``len``\ gth to (as per ``>=`` operator), given object.
     """
     OP = operator.ge
diff --git a/callee/types.py b/callee/types.py
index 78f1a5b..8d61898 100644
--- a/callee/types.py
+++ b/callee/types.py
@@ -16,7 +16,7 @@ class TypeMatcher(BaseMatcher):
     This class shouldn't be used directly.
     """
     def __init__(self, type_):
-        """:param type\ _: Type to match against"""
+        r""":param type\ _: Type to match against"""
         if not isinstance(type_, type):
             raise TypeError("%s requires a type, got %r" % (
                 self.__class__.__name__, type_))
@@ -32,7 +32,7 @@ class InstanceOf(TypeMatcher):
     (as per `isinstance`).
     """
     def __init__(self, type_, exact=False):
-        """
+        r"""
         :param type\ _: Type to match against
         :param exact:
 
@@ -58,7 +58,7 @@ class SubclassOf(TypeMatcher):
     (as per `issubclass`).
     """
     def __init__(self, type_, strict=False):
-        """
+        r"""
         :param type\ _: Type to match against
         :param strict: