Fix bug with "env_default" when "pio run -e" is used

platformio/__init__.py

@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (2, 9, 1)
+VERSION = (2, 9, "2.dev0")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"

platformio/commands/run.py

@@ -81,7 +81,8 @@ def cli(ctx, environment, target, upload_port,  # pylint: disable=R0913,R0914
 
             envname = section[4:]
             if ((environment and envname not in environment) or
-                    (env_default and envname not in env_default)):
+                    (not environment and env_default and
+                     envname not in env_default)):
                 # echo("Skipped %s environment" % style(envname, fg="yellow"))
                 continue