diff options
-rw-r--r-- | bitbake/lib/bb/data_smart.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/bitbake/lib/bb/data_smart.py b/bitbake/lib/bb/data_smart.py index ec7bb561cc..8d235da121 100644 --- a/bitbake/lib/bb/data_smart.py +++ b/bitbake/lib/bb/data_smart.py | |||
@@ -151,7 +151,7 @@ class ExpansionError(Exception): | |||
151 | self.expression = expression | 151 | self.expression = expression |
152 | self.variablename = varname | 152 | self.variablename = varname |
153 | self.exception = exception | 153 | self.exception = exception |
154 | self.varlist = [varname or expression] | 154 | self.varlist = [varname or expression or ""] |
155 | if varname: | 155 | if varname: |
156 | if expression: | 156 | if expression: |
157 | self.msg = "Failure expanding variable %s, expression was %s which triggered exception %s: %s" % (varname, expression, type(exception).__name__, exception) | 157 | self.msg = "Failure expanding variable %s, expression was %s which triggered exception %s: %s" % (varname, expression, type(exception).__name__, exception) |
@@ -163,7 +163,8 @@ class ExpansionError(Exception): | |||
163 | self.args = (varname, expression, exception) | 163 | self.args = (varname, expression, exception) |
164 | 164 | ||
165 | def addVar(self, varname): | 165 | def addVar(self, varname): |
166 | self.varlist.append(varname) | 166 | if varname: |
167 | self.varlist.append(varname) | ||
167 | 168 | ||
168 | def __str__(self): | 169 | def __str__(self): |
169 | chain = "\nThe variable dependency chain for the failure is: " + " -> ".join(self.varlist) | 170 | chain = "\nThe variable dependency chain for the failure is: " + " -> ".join(self.varlist) |