correct units of measure

Author: yoelcortes

setup.py

@@ -11,7 +11,7 @@
     name='thermosteam',
     packages=['thermosteam'],
     license='MIT',
-    version='0.52.12',
+    version='0.52.13',
     description="BioSTEAM's Premier Thermodynamic Engine",
     long_description=open('README.rst', encoding='utf-8').read(),
     author='Yoel Cortes-Pena',

thermosteam/__init__.py

@@ -31,7 +31,7 @@
 #     update_module(chemicals, numba)
 # use_numba_chemicals()
 # del use_numba_chemicals
-__version__ = "0.52.12"
+__version__ = "0.52.13"
 
 from . import thermo
 del thermo

thermosteam/equilibrium/plot_equilibrium.py

@@ -203,7 +203,7 @@ def plot_vle_phase_envelope(
             [DP(zs, T=T) for T in xs]
             for DP in DPs
         ]
-        ylabel = 'Pressure [Pa]'
+        ylabel = 'Pressure [atm]'
         xlabel = 'Temperature [K]'
         variable = 'P'
     else: