diff --git a/src/pygitversionhelper/gitversionhelper.py b/src/pygitversionhelper/gitversionhelper.py
index dbf97c7..371283e 100644
--- a/src/pygitversionhelper/gitversionhelper.py
+++ b/src/pygitversionhelper/gitversionhelper.py
@@ -152,10 +152,10 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                 if len(res)==1:
                     res = _exec(f"git describe --tags {res[0]}")
 
-            if len(res)==0: 
+            if len(res)==0:
                 raise cls.tagNotFound("no tag found in commit history")
-            if len(res)!=1: 
-                raise cls.moreThanOneTag("multiple tags on same commit is unsupported")   
+            if len(res)!=1:
+                raise cls.moreThanOneTag("multiple tags on same commit is unsupported")
             return res[0]
 
         @classmethod
@@ -187,7 +187,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                                                                 r"(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$",
                                         "regex_preversion_num": r"(?:\.)(?P<num>(?:\d+(?!\w))+)", 
                                         "regex_build_num"     : r"(?:\.)(?P<num>(?:\d+(?!\w))+)"          
-                                                                
+                                                           
                                                                 },
                            "PEP440" : { "regex" :               packaging_VERSION_PATTERN,
                            "Auto"   : None
@@ -224,7 +224,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
             raw:str         = "0.1.0"
 
             def __init__(self,version_std,major=0,minor=1,patch=0,pre_count=0,post_count=0,raw="0.1.0"): #pylint: disable=R0913
-                self.version_std = version_std 
+                self.version_std = version_std
                 self.major       = major
                 self.minor       = minor
                 self.patch       = patch
@@ -242,7 +242,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                     Kwargs given bump_dev_strategy or the default one.
                 """
                 BumpDevStrategy = cls.DefaultBumpDevStrategy
-                if (cls.__OptDict["bump_dev_strategy"] in kwargs):
+                if cls.__OptDict["bump_dev_strategy"] in kwargs:
                     if kwargs[cls.__OptDict["bump_dev_strategy"]] in cls.BumpDevStrategys:
                         BumpDevStrategy = kwargs[cls.__OptDict["bump_dev_strategy"]]
                     else:
@@ -259,7 +259,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                     Kwargs given bump_type or the default one.
                 """
                 BumpType = cls.DefaultBumpType
-                if (cls.__OptDict["bump_type"] in kwargs):
+                if cls.__OptDict["bump_type"] in kwargs:
                     if kwargs[cls.__OptDict["bump_type"]] in cls.BumpTypes:
                         BumpType = kwargs[cls.__OptDict["bump_type"]]
                     else:
@@ -314,6 +314,11 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                 return _v
 
             def doFormatVersion(self,**kwargs):
+                """
+                output a formated version string
+                Return:
+                    formated version string
+                """
                 return gitversionhelper.version.doFormatVersion(self,**kwargs)
 
         @classmethod
@@ -335,6 +340,15 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
 
         @classmethod
         def getCurrentVersion(cls,**kwargs) -> Union[str,MetaVersion]:
+            """
+            get the current version or bump depending of repository state
+            Kwargs:
+                version_std(str): the given version_std (can be None)
+                same_branch(bool): force searching only in the same branch
+                formated_output(bool) : output a formated version string
+            Return:
+                the last version
+            """
             if gitversionhelper.repository.isDirty() is not False:
                 raise gitversionhelper.repository.repositoryDirty(  "The repository is dirty and a current version" \
                                                                     " can not be generated.")
@@ -355,7 +369,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
         @classmethod
         def getLastVersion(cls,**kwargs) -> Union[str,MetaVersion]: # pylint: disable=R0914, R0912, R0915
             """
-            bump the last version from tags
+            get the last version from tags
             Kwargs:
                 version_std(str): the given version_std (can be None)
                 same_branch(bool): force searching only in the same branch
@@ -365,9 +379,9 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
             """
             VersionStd = cls._getVersionStd(**kwargs)
 
-            bAutoVersionStd = False 
+            bAutoVersionStd = False
             if VersionStd == "Auto":
-                bAutoVersionStd = True 
+                bAutoVersionStd = True
 
             lastTag=cls.MetaVersion.raw
             cls.__versionReseted = False
@@ -377,7 +391,7 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                 logging.warning('tag not found, reseting versionning')
                 cls.__versionReseted = True
 
-            bFound = False 
+            bFound = False
             if VersionStd == "SemVer" or (bAutoVersionStd is True) :
                 _r=re.compile(r"^\s*" + cls.VersionStds["SemVer"]["regex"] + r"\s*$",   re.VERBOSE | \
                                                                                         re.IGNORECASE)
@@ -478,4 +492,4 @@ class gitversionhelper: # pylint: disable=too-few-public-methods
                                         minor=inputversion.minor, \
                                         patch=patch,              \
                                         revpattern=revpattern,    \
-                                        revcount=revcount)
\ No newline at end of file
+                                        revcount=revcount)