diff --git a/doc/exchange.rst b/doc/exchange.rst
index f1f7474..7454e88 100644
--- a/doc/exchange.rst
+++ b/doc/exchange.rst
@@ -115,7 +115,7 @@ where
 :math:`\Delta H_d \ [kJ \ {mol}_{CO_2}^{-1}]` is deactivation energy of the Arrhenius functions,
 :math:`\Delta S \ [kJ \ K^{-1} \ {mol}_{CO_2}^{-1}]` is entropy term,
 :math:`R \ [kJ \ K^{-1} \ {mol}^{-1}]` is the ideal gas constant, and
-:math:`T_{leaf} \ [^\circ C]` is leaf temperature.
+:math:`T_{leaf} \ [K]` is leaf temperature.
 
 
 Finally, for :math:`\Gamma`, :math:`K_c`, and :math:`K_o` temperature dependency writes:
diff --git a/src/hydroshoot/architecture.py b/src/hydroshoot/architecture.py
index f377574..c4e368b 100644
--- a/src/hydroshoot/architecture.py
+++ b/src/hydroshoot/architecture.py
@@ -182,7 +182,7 @@ def vine_mtg(file_path):
         except:
             vid_diam = None
 
-        plant_id = int(plant_id)
+        plant_id = str(plant_id)
         if trunk_id in plant_base_identifier:
             baseXYZ = vid_position
             trunk_id = 0
diff --git a/src/hydroshoot/irradiance.py b/src/hydroshoot/irradiance.py
index 1835d6d..1f9dac3 100644
--- a/src/hydroshoot/irradiance.py
+++ b/src/hydroshoot/irradiance.py
@@ -231,7 +231,7 @@ def irradiance_distribution(meteo, geo_location, irradiance_unit,
     if rotation_angle != 0.:
         v_energy = [vec[0] for vec in source_cum]
         v_coord = [tuple(vector_rotation(vec[1], (0., 0., 1.), deg2rad(rotation_angle))) for vec in source_cum]
-        source_cum = zip(v_energy, v_coord)
+        source_cum = list(zip(v_energy, v_coord))
 
     # Add Sun to an existing pgl.scene
     if sun2scene is not None:
diff --git a/src/hydroshoot/version.py b/src/hydroshoot/version.py
index 2ed0cc4..5da0853 100644
--- a/src/hydroshoot/version.py
+++ b/src/hydroshoot/version.py
@@ -3,7 +3,7 @@
 
 major = 5
 minor = 2
-post = 1
+post = 2
 
 __version__ = ".".join([str(s) for s in (major, minor, post)])
 # #}