dist/tools/cc2538-bsl: enforce python2

boards/cc2538dk/Makefile.include

@@ -20,7 +20,7 @@ export RESET = $(RIOTBOARD)/$(BOARD)/dist/reset.sh
 export PROGRAMMER ?= cc2538-bsl
 
 ifeq ($(PROGRAMMER),cc2538-bsl)
-  export FLASHER = python $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
+  export FLASHER = $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
   export FFLAGS  = -p "$(PORT)" -e -w -v $(HEXFILE)
 else ifeq ($(PROGRAMMER),jlink)
   export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh

boards/openmote-cc2538/Makefile.include

@@ -19,7 +19,7 @@ ifeq ($(PROGRAMMER),jlink)
 else
   export OFLAGS = -O binary
   export HEXFILE = $(ELFFILE:.elf=.bin)
-  export FLASHER = python $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
+  export FLASHER = $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
   export FFLAGS  = -p "$(PORT)" -e -w -v -b 460800 $(HEXFILE)
 endif
 

boards/remote-common/Makefile.include

@@ -12,7 +12,7 @@ ifeq ($(PROGRAMMER),cc2538-bsl)
   else ifeq ($(OS),Darwin)
     PORT_BSL ?= $(PORT_DARWIN)
   endif
-  export FLASHER = python $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
+  export FLASHER = $(RIOTBASE)/dist/tools/cc2538-bsl/cc2538-bsl.py
   export FFLAGS  = -p "$(PORT_BSL)" -e -w -v -b 115200 $(HEXFILE)
 else ifeq ($(PROGRAMMER),jlink)
   export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh

dist/tools/cc2538-bsl/cc2538-bsl.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 # Copyright (c) 2014, Jelmer Tiete <jelmer@tiete.be>.
 # All rights reserved.