correct code style

Author: zhangzhanqun

src/ansys/dyna/core/pre/dynabase.py

@@ -224,7 +224,6 @@ def __init__(self):
         self.have_bulk_viscosity = False
         self.have_control_shell = False
 
-
     def get_stub():
         """Get the stub of this DynaBase object."""
         return DynaBase.stub

src/ansys/dyna/core/pre/dynamech.py

@@ -7,15 +7,17 @@
 
 from .dynabase import *  # noqa : F403
 
+
 class AnalysisType(Enum):
     EXPLICIT = 1
     IMPLICIT = 2
     NONE = 3
 
+
 class DynaMech(DynaBase):
     """Define an Mechanical analysis."""
 
-    def __init__(self,analysis=AnalysisType.EXPLICIT):
+    def __init__(self, analysis=AnalysisType.EXPLICIT):
         DynaBase.__init__(self)
         self.casetype = CaseType.STRUCTURE
         self.analysis = analysis.value
@@ -244,7 +246,7 @@ def create_hourglass(self, ghid, ihq, qm=0.1, q1=1.5, q2=0.06, qb=1e-9, qw=1e-9)
         logging.info("Hourglass 1 Created...")
         return ret
 
-    def save_file(self,defaultsetting=1):
+    def save_file(self, defaultsetting=1):
         """Save keyword files.
 
         Returns