corrected type conversion

and fixed unecessary cannot stat warning in installer

chunkymap-regen.py

@@ -614,7 +614,7 @@ class MTChunks:
         z_max = z * self.chunk_size + self.chunk_size - 1
 
         #print ("generating x = " + str(x_min) + " to " + str(x_max) + " ,  z = " + str(z_min) + " to " + str(z_max))
-        geometry_value_string = str(x_min)+":"+str(z_min)+"+"+str(int(x_max)-str(int(x_min))+"+"+str(int(z_max)-int(z_min)))
+        geometry_value_string = str(x_min)+":"+str(z_min)+"+"+str(int(x_max)-int(x_min))+"+"+str(int(z_max)-int(z_min)))
         cmd_suffix = ""
         cmd_suffix = " > \""+genresult_path+"\""
         output_type_string = "minetestmapper-numpy"

install-chunkymap-on-ubuntu.sh

@@ -1,10 +1,12 @@
 #!/bin/sh
 cd $HOME
 MT_MY_WEBSITE_PATH=/var/www/html/minetest
-rm -Rf $HOME/minetest-stuff/minetest-chunkymap
+if [ -d "$HOME/minetest-stuff/minetest-chunkymap" ]; then
+  rm -Rf $HOME/minetest-stuff/minetest-chunkymap
+fi
 CHUNKYMAP_INSTALLER_PATH=$HOME/Downloads/minetest-chunkymap
 if [ ! -d "$HOME/Downloads" ]; then
-	mkdir "$HOME/Downloads"
+  mkdir "$HOME/Downloads"
 fi
 
 MINETEST_UTIL=$HOME/minetest/util