diff --git a/src/db/dbITerm.cpp b/src/db/dbITerm.cpp
index 4ee9eb8..ee57a42 100644
--- a/src/db/dbITerm.cpp
+++ b/src/db/dbITerm.cpp
@@ -438,6 +438,11 @@ void dbITerm::connect(dbITerm* iterm_, dbNet* net_)
   _dbNet*   net   = (_dbNet*) net_;
   _dbBlock* block = (_dbBlock*) iterm->getOwner();
 
+  //Do Nothing if already connected
+  if (iterm->_net==net->getOID())
+    return;
+
+    
   if (iterm->_net != 0)
     disconnect(iterm_);
 
diff --git a/src/db/dbInst.cpp b/src/db/dbInst.cpp
index efc1c91..02854d4 100644
--- a/src/db/dbInst.cpp
+++ b/src/db/dbInst.cpp
@@ -427,6 +427,9 @@ void dbInst::setOrigin(int x, int y)
   _dbBlock* block  = (_dbBlock*) inst->getOwner();
   int       prev_x = inst->_x;
   int       prev_y = inst->_y;
+  //Do Nothin if same origin, But What if uninitialized and x=y=0
+  if(prev_x==x&&prev_y==y)
+    return;
 
   inst->_x = x;
   inst->_y = y;
@@ -495,6 +498,8 @@ dbOrientType dbInst::getOrient()
 
 void dbInst::setOrient(dbOrientType orient)
 {
+  if(orient==getOrient())
+    return;
   _dbInst*  inst  = (_dbInst*) this;
   _dbBlock* block = (_dbBlock*) inst->getOwner();
 
diff --git a/tests/unitTestsPython/__pycache__/helper.cpython-38.pyc b/tests/unitTestsPython/__pycache__/helper.cpython-38.pyc
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diff --git a/tests/unitTestsPython/__pycache__/odbUnitTest.cpython-38.pyc b/tests/unitTestsPython/__pycache__/odbUnitTest.cpython-38.pyc
new file mode 100644
index 0000000..613851f
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