add python dependencies

.CondaPkg/env/Library/lib/itcl4.2.3/pkgIndex.tcl

@@ -0,0 +1,14 @@
+# -*- tcl -*-
+# Tcl package index file, version 1.1
+#
+
+if {![package vsatisfies [package provide Tcl] 8.6-]} {return}
+
+if {[package vsatisfies [package provide Tcl] 9.0-]} {
+    package ifneeded itcl 4.2.3 \
+	    [list load [file join $dir tcl9itcl423.dll] Itcl]
+} else {
+    package ifneeded itcl 4.2.3 \
+	    [list load [file join $dir itcl423.dll] Itcl]
+}
+package ifneeded Itcl 4.2.3 [list package require -exact itcl 4.2.3]